Evidence-Based Complementary and Alternative Medicine

Evidence-Based Complementary and Alternative Medicine / 2013 / Article
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Medical Ethnobiology and Ethnopharmacology in Latin America 2013

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Research Article | Open Access

Volume 2013 |Article ID 102714 | https://doi.org/10.1155/2013/102714

Deyvson Rodrigues Cavalcanti, Ulysses Paulino Albuquerque, "The “Hidden Diversity” of Medicinal Plants in Northeastern Brazil: Diagnosis and Prospects for Conservation and Biological Prospecting", Evidence-Based Complementary and Alternative Medicine, vol. 2013, Article ID 102714, 29 pages, 2013. https://doi.org/10.1155/2013/102714

The “Hidden Diversity” of Medicinal Plants in Northeastern Brazil: Diagnosis and Prospects for Conservation and Biological Prospecting

Academic Editor: Rômulo Romeu Nóbrega Alves
Received25 Apr 2013
Accepted08 Jun 2013
Published20 Oct 2013


Increases in ethnobotanical studies and knowledge in recent decades have led to a greater and more accurate interpretation of the overall patterns related to the use of medicinal plants, allowing for a clear identification of some ecological and cultural phenomena. “Hidden diversity” of medicinal plants refers in the present study to the existence of several species of medicinal plants known by the same vernacular name in a given region. Although this phenomenon has previously been observed in a localized and sporadic manner, its full dimensions have not yet been established. In the present study, we sought to assess the hidden diversity of medicinal plants in northeastern Brazil based on the ethnospecies catalogued by local studies. The results indicate that there are an average of at least 2.78 different species per cataloged ethnospecies in the region. Phylogenetic proximity and its attendant morphological similarity favor the interchangeable use of these species, resulting in serious ecological and sanitary implications as well as a wide range of options for conservation and bioprospecting.

1. Introduction

Medicinal plants are freely circulated in Brazil, particularly in informal trade settings where several types of plants are marketed for a wide range of illnesses (see [1]). Limited access to specialty medicine and an increasing interest in the so-called natural treatments account for the rapid increase of the trade in such products in Brazil [2].

The most important vendors of medicinal plants are located in urban centers, namely, in fairs and public markets, where consumers have easy access to a wide variety of medicinal plant species together with the corresponding therapeutic indications [3]. More specifically, the regional public markets act as spaces representative of the cultural production and biological diversity of a given area [1, 4] and as centers where the empirical knowledge retained in different areas and with different origins is aggregated, conserved, and spread. Thus, the regional public markets are the pillars of a complex, open, and dynamic system of knowledge [1].

Although promising for the biological prospecting of novel drugs and pharmaceutical products, actual research at such markets has some limitations, as the identity of the vast majority of the plant species traded there cannot be safely established by means of conventional methods [1, 57].

In contrast with community-based ethnobotanical surveys, where the investigated resources are directly accessible in loco [811], research at markets and fairs is much more complex, as a significant proportion of the plant products offered to the consumers are uncharacteristic or lack the elements required for accurate taxonomic identification (see [1, 5, 6]). As a rule, only parts of the plants are sold, to wit, the ones allegedly containing the active therapeutic components, such as barks, roots, seeds, flowers, and leaves, which are sometimes dehydrated, chopped, and/or ground. As a result, it becomes quite easy to mix or mistake a similar species with or for another.

Several authors have previously expressed such concerns and proposed some methodological solutions to the problem [1, 12]. Various palliative techniques have been suggested for cataloging all medicinal plants available to the consumers at public markets, some of which are quite specialized and expensive [1315], whereas others are feasible but not always viable [16, 17].

In addition to morphological similarities between species, another factor that makes it difficult to interpret the ethnobotanical data collected at public markets is the fact that multiple plants species are frequently known by the same vernacular name. Such events of semantic correspondence in ethnobotanical studies were initially detected by several authors [1821] and then properly systematized by Berlin [22] in a study that sought to determine the relationships between the biological and traditional classification systems, thus establishing the grounds of ethnotaxonomy.

Within that ethnotaxonomic approach, Berlin [22, 23] established the notion of underdifferentiation to define the semantic correspondence between different species that share a vernacular name, of which two types were described. Underdifferentiation type 1 occurs when the species involved belong to the same genus, and type 2 occurs when they belong to different genera. When only one species corresponds to a given ethnospecies, correspondence is defined as one-to-one or biunivocal [22, 23]. Several studies of local communities have employed these notions to identify similar patterns of semantic correspondence between different species [2428]. The species subjected to underdifferentiation have been termed ethnohomonyms.

Although quite well adjusted to the local systems, such correspondences tend to overlap and become complex when different cultural origins become somehow intertwined [29, 30]. The overlapping of homonym ethnospecies makes the understanding of ethnobotanical data originating in environments where complex cultural networks are established even more difficult, as is the case with ethnobotanical studies at regional public markets (see [6]).

We define here the “hidden diversity” of medicinal plants as the set of different homonym ethnospecies “hidden” under the same vernacular name. We coined the term “hidden diversity” based on the analogy with the notion of a “hidden harvest,” which denotes the progressive and unofficially documented appropriation of the plant biodiversity in a given area [31, 32].

According to Krog et al. [6] the impossibility of distinguishing among homonym ethnospecies is one of the major limitations to the advancement of ethnobotanical research in public markets, particularly in the case of ethnopharmacological studies of plant conservation and bioprospection. Although that phenomenon has previously been detected in a localized and sporadic manner, its full dimensions have not yet been established.

It is safe to assume that in Brazil, as a function of the plant biodiversity, environmental diversity, and multicultural and ethnic composition of the country [33], the number of homonym ethnospecies and consequently also the phenomenon of hidden diversity of medicinal plants is much more comprehensive and significant than suggested from the few occurrences recorded in the scientific literature. In the present study, we sought (1) to measure the hidden diversity, that is, the number of medicinal plant species subsumed under the same common name in the Brazilian northeast region; (2) to establish the different types of underdifferentiation of homonym ethnospecies; and (3) to assess the influence of biological diversity on the number of homonym ethnospecies. Finally, we sought to indicate some of the possible implications for conservation and biological prospecting.

Assuming that the variety of homonym ethnospecies in a given region depends on the region’s biodiversity, one might expect the following: (1) for the variation in the number of homonym ethnospecies to be directly proportional to the size of the sampled area, as larger areas theoretically include a wider variety of environments, and consequently, also greater biological diversity and (2) that a significant number of the homonym ethnospecies should be representative of the native flora compared to the group of species with one-to-one correspondence.

2. Materials and Methods

2.1. Characterization of the Study Area

The northeast region of Brazil includes nine federal units and represents a total area of 1,558,196 km2, which corresponds to 18% of the country’s territory. It is located in an intertropical zone limited by the Atlantic Ocean to the east and north, the Amazonian rainforest to the northwest, and the Cerrado (Brazilian savannah) domain to the west and southwest [34]. The vegetation is mainly xerophytic, being the Caatinga (Brazilian xeric shrubland), a highly peculiar biome with a high degree of endemism [3537]. Atlantic ombrophilous forest predominates in the coastal area. Currently, this forest is one of the most seriously threatened biomes in the world, and only 5% of its original area remains [38, 39]. Enclaves of Cerrado and rainforest are widely present as areas of disjunct vegetation [4043], making the Brazilian northeast region a strategic area from the perspective of global richness and biological diversity [44, 45].

From the demographic point of view, the total population of the northeast region comprises approximately 49 million inhabitants, primarily distributed along the coastal area where most state capitals and major cities are located, which together host approximately 40% of the population [34]. The cultural diversity of the northeast region is high due to the ethnic miscegenation resulting from the colonization of Brazil [46, 47], and the population includes Europeans, mostly Portuguese and Dutch, black slaves from Africa, and the various indigenous peoples. In addition, it is worth observing that in the last ten years, the economic growth of the region was significantly higher than the national average [34].

2.2. Data Survey

Six of the nine northeastern states were included in the analysis based on the need to survey the widest possible diversity of cultural representations and environments and the need to take into account the logistics of access and permanence at the study sites. For the purposes of the present study, we assumed that the expression of the regional culture is more diversified at the state capitals because they exhibit the largest population density, including immigrants from other states and/or the inland cities.

The states and corresponding capitals sampled were as follows: Maranhão/São Luiz, Ceará/Fortaleza, Paraíba/João Pessoa, Pernambuco/Recife, Alagoas/Maceió, and Sergipe/Aracaju. The primary site of medicinal plant trade in each state capital was identified, and thus the following markets were selected: the Mercado Central (Central Market) in São Luiz/MA, Mercado de São Sebastião (St. Sebastian Market) in Fortaleza/CE, Mercado Central in João Pessoa/PB, Mercado São José (St. Joseph Market) in Recife/PE, Mercado da Produção (Production Market) in Maceió/AL, and Mercado Albano Franco (Albano Franco Market) in Aracaju/SE.

Following an initial exploratory visit, an appointment was made for data collection. The plant vendors at each selected market were informed as to the nature of the study and invited to participate. Some vendors refused immediately, and others initially agreed and then went back on their original agreement. As a result, a total of 22 respondents were interviewed and provided a representative sample of the vernacular names of the plants traded in the region. In the state of Pernambuco, the ethnobotanical studies in public markets are already more advanced. Albuquerque and colleagues [1] previously found a significant decrease in the availability of plant vendors in this state based on only two samples obtained over an eight-year period. The in situ observations and data collected for the present study suggest that this decrease in availability may represent a general trend that can be explained by several factors. For instance, the lack of regulation and control of the sector in regards to health and ecological aspects may generate mistrust and insecurity among vendors. The vendors may also experience a lack of return research or “benefits" that would otherwise entice them to be informants. In addition, the harsh economic conditions of the country have removed a significant number of vendors from the market, and unrelenting derogatory campaigns have undermined the informal trade markets in the media. Vendors in the informal trade markets also experience increasing competition with food stores, which are common in large urban centers and usually have better infrastructure, availability, and sanitary conditions. There is also a lack of interest in new generations to continue the family traditions of using and trading medicinal plants.

After the study was explained, the respondents freely signed an informed consent form. The study was approved by the Research Ethics Committee of the Federal University of Pernambuco (Universidade Federal de Pernambuco—UFPE) no. 0039.0.172.0000-10, FR (Folha de Rosto—Title Page) 3139660.

Although some authors [1] have reported that several terms are used to describe vendors of medicinal plants, eventually including hierarchical criteria, in the present study, we used the generic term “herbalist” (locally known as “erveiro”) to allude to any type of vendor of medicinal plants. The term ethnospecies is used in the present study to allude to the common or vernacular names given to the medicinal plants.

Using a field notebook, we made records of the catalogs of plants traded by the herbalists as mentioned in semistructured interviews [48]. For the purposes of the study, the plants available in stock at the time of the study as well as those traded in the previous 12 months were taken into consideration. The common names of the plants were recorded as spelled by the respondents.

2.3. Data Analysis

The ethnobotanical data supplied by the herbalists in the various studied northeastern states were transcribed and entered in digital spreadsheets using MS Excel 2003 software, thus creating a Market Relational Database (MRD). The MRD was used to map the geographical distributions of the ethnospecies across the Brazilian northeast region and identify the most frequently occurring ones.

In parallel, an Ethnobotanical Survey Database (ESD) was created and populated. For that purpose, 55 ethnobotanical surveys of the northeastern states were identified, and the listed species and ethnospecies were entered in the ESD. The plants not identified at the species level were not included. Only relevant studies were selected: most (45) were published in major scientific journals, seven were Master’s dissertations, one was a doctoral thesis, one a book, and one the Development Plan of a major Brazilian university (Federal University of Bahia—Universidade Federal da Bahia, UFBA).

The data entered in both databases (MRD and ESD) were then crosschecked to produce a detailed list of the ethnospecies mentioned both in the ethnobotanical surveys and by the respondents in our study, with the corresponding species. This step allowed for the identification of the homonym species and their clustering around the corresponding ethnospecies.

We selected a sample corresponding to 40% of the ethnospecies included in both databases (MRD and ESD) based on their frequency in the ethnobotanical surveys. Thus, only the 165 most frequent ethnospecies out of a total of 406 listed in the ethnobotanical surveys were selected for analysis.

The sampling criteria used were based on two assumptions: (1) ethnobotanical research is still incipient in most of the northeast region, and thus, infrequent ethnospecies might suggest a merely temporary pattern of semantic correspondence, consequently masking the results, the number of one-to-one correspondences in particular and (2) the ethnospecies most frequently mentioned in the regional ethnobotanical surveys might represent the patterns of semantic correspondence in a more unequivocal and reliable manner.

The corresponding species were allocated to three groups: one comprised the species with one-to-one correspondences, the second, the homonym ethnospecies with type 1 underdifferentiation, and the third, the homonym ethnospecies with type 2 underdifferentiation, according to Berlin’s [23] classification. The corresponding species were subjected to synonym analysis; the names that are currently valid were duly recorded based on the List of Species of the Brazilian Flora 2012 [49] and the database of the Missouri Botanical Garden [50], which were also used to establish the biogeographic status of each species to classify them as native or exotic.

To assess whether underdifferentiation (sensu Berlin [23]), expressed as the number of homonym ethnospecies, varies as a function of the biological diversity of a given area, we compared the results corresponding to the northeast region with a geographically narrower sample, based on the assumption that the larger the area, the wider the environmental variety, and thus, the more diversified the flora.

That narrower sample was represented by the state of Pernambuco, which is the northeastern state most thoroughly studied from an ethnobotanical perspective. The numbers of homonym ethnospecies and one-to-one correspondences of the northeast region were compared to those of Pernambuco. The frequency of species in the respective categories of semantic correspondence (i.e., one-to-one and underdifferentiation) was analyzed by means of tests [51] as were the percentages of native and exotic species in each group.

3. Results

The ethnospecies ( ) sampled based on the data collected at the visited markets exhibited correspondence with 459 species, corresponding to 228 genera and 90 families (Table 1). The ratio of species to ethnospecies was 2.78. From the total number of analyzed ethnospecies, only 41 (25%) exhibited one-to-one correspondence, whereas 124 (75%) exhibited underdifferentiation and correspondence to 418 species. Approximately 62% of the homonym ethnospecies exhibited two or three corresponding species, although in some cases, a single ethnospecies included up to nine corresponding homonym species, as, for example, “quebra-pedra” (stonebreaker) (Table 1).

Vernacular nameFamilyScientific name in the original sourceValid scientific nameOriginLiteratureState

AroeiraAnacardiaceaeMyracrodruon urundeuva AllemãoMyracrodruon urundeuva AllemãoN[1, 3, 9, 5278]PE, PB, SE, CE, PI, MA, RN, BA
Schinus terebinthifolius RaddiSchinus terebinthifolius RaddiN[1, 11, 65, 7984]PE, RN, BA

CajáAnacardiaceaeSpondias mombin  L.
Spondias lutea  L.
Spondias mombin  L.N[56, 57, 63, 67, 76, 82, 8587]PE, PB, PI, BA

FabaceaeCentrosema brasilianum (L.) Benth.Centrosema brasilianum (L.) Benth.N[88]PB
SchizaeaceaeLygodium venustum Sw.Lygodium venustum Sw.N[1, 65]PE
Lygodium  volubile Sw.Lygodium  volubile Sw.N[1, 65]PE

TiliaceaeLuehea divaricata Mart.Luehea divaricata Mart.N[66, 68]MA
Luehea ochrophylla Mart.Luehea ochrophylla Mart.N[89]PB
Luehea grandiflora Mart.Luehea grandiflora Mart.N[61, 68]MA
Luehea speciosa Willd.
Luehea candicans Mart.Luehea candicans Mart.N[57]PI

AcônitoAmaranthaceaePfaffia glomerata (Spreng.) PedersenPfaffia glomerata (Spreng.) PedersenN[56, 65]PE
Alternanthera brasiliana (L.) KuntzeAlternanthera brasiliana (L.) KuntzeN[77]PB

AmburanaFabaceaeAmburana cearensis (Allemão) A. C. Sm. Amburana cearensis (Allemão) A. C. Sm. N[6870, 78, 79]PB, CE, MA, BA
BurseraceaeCommiphora leptophloeos (Mart.) J. B. GillettCommiphora leptophloeos (Mart.) J. B. GillettN[1, 3, 6264, 70, 71, 73, 76, 80, 88]PE, PB, RN, BA
Bursera leptophloeos Mart.

CumaruFabaceaeAmburana cearensis (Allemão) A. C. Sm. Amburana cearensis (Allemão) A. C. Sm. N[3, 52, 53, 55, 59, 60, 62, 67, 7072, 76, 77]PE, PB, CE, RN
Torresea cearensis Allemão
Dipteryx odorata (Aubl.) Willd.Dipteryx odorata (Aubl.) Willd.N[81]RN

AngelicaRubiaceaeGuettarda platypoda DC.Guettarda platypoda DC.N[56, 89]PE, PB
Guettarda angelica Mart.  ex  Mull. Arg. Guettarda angelica Mart.  ex  Mull. Arg. N[90]RN

AraticumAnnonaceaeAnnona crassiflora Mart.Annona crassiflora Mart.N[85]PB
Annona coriacea Mart.Annona coriacea Mart.N[78, 91]PB, CE

AngicoFabaceaeAnadenanthera colubrina (Vell.) BrenanAnadenanthera colubrina (Vell.) BrenanN[3, 11, 5254, 56, 59, 60, 6264, 67, 69, 70, 7274, 7680, 85, 88, 9294]PE, PB, CE, PI, RN, BA
Anadenanthera macrocarpa (Vell.) Brenan
Piptadenia colubrina (Vell.) Benth.

Assa-peixeAsteraceaeVernonia polyanthes (Spreng.) Less.Vernonanthura phosphorica (Vell.) H. Rob.N[79]BA
Vernonia scabra Pers.Vernonanthura brasiliana (L.) H. Rob.N[60]CE
Vernonia ferruginea Less.Vernonanthura ferruginea (Less.) H. Rob.N[82]BA
Gochnatia velutina (Bong.) CabreraGochnatia velutina (Bong.) CabreraN[79]BA
Verbesina macrophylla (Mull.) S. F. BlakeVerbesina macrophylla (Mull.) S. F. BlakeN[83]BA
EuphorbiaceaeAcalypha multicaulis Mull. Arg.Acalypha multicaulis Mull. Arg.N[95]SE

Balaio de
AsteraceaeConocliniopsis prasiifolia (DC.) R. M. King and H. Rob.Conocliniopsis prasiifolia (DC.) R. M. King and H. Rob.N[58, 95, 96]SE
Lourteigia ballotifolia (Kunth) R. M. King and H. Rob.
Centratherum punctatum Cass. Centratherum punctatum Cass. N[82]BA
Ageratum conyzoides  L.Ageratum conyzoides  L.N[96]SE
ChrysobalanaceaeHirtella ciliata Mart. and Zucc.Hirtella ciliata Mart. and Zucc.N[78]CE

Batata de
ConvolvulaceaeOperculina alata Urb.Operculina alata Urb.N[11, 56, 66, 92]PE, CE, MA
Operculina convolvulus Silva MansoOperculina macrocarpa (L.) Urb.N[9, 11, 5759, 66, 94, 97]PE, PB, SE, CE, PI, RN
Operculina macrocarpa (L.) Urb.
Ipomoea purga (Wender.) HayneIpomoea dumosa (Benth.) L. O. WilliamsE[68]MA
Operculina hamiltonii (G. Don) D. F. Austin and StaplesOperculina hamiltonii (G. Don) D. F. Austin and StaplesN[72, 88]PB

Burdão de
FabaceaePithecellobium saman (Jacq.) Benth.Samanea saman (Jacq.) Merr.E[56, 61]PE, MA
Samanea tubulosa (Benth.) Barneby and J. W. GrimesSamanea tubulosa (Benth.) Barneby and J. W. GrimesN[86]PB
Albizia polycephala (Benth.) KillipAlbizia polycephala (Benth.) KillipN[85]PB

CanafístulaFabaceaeSenna spectabilis (DC.) H. S. Irwin and BarnebySenna spectabilis (DC.) H. S. Irwin and BarnebyN[3, 60, 67, 70, 75, 77, 90]PE, PB, CE, RN
Senna martiana (Benth.) H. S. Irwin and BarnebySenna martiana (Benth.) H. S. Irwin and BarnebyN[75]PE
Albizia inundata (Mart.) Barneby and J. W. GrimesAlbizia inundata (Mart.) Barneby and J. W. GrimesN[73]PE
Peltophorum dubium (Spreng.) Taub.Peltophorum dubium (Spreng.) Taub.N[82]BA

CapebaBegoniaceaeBegonia vitifolia SchottBegonia reniformis Dryand.N[1, 11, 56, 65, 94]PE
Begonia reniformis Dryand.
Begonia huberi C. DC.
PiperaceaePothomorphe peltata (L.) Miq. Piper peltatum  L.N[67]BA
Piper marginatum Jacq.Piper marginatum Jacq.N[53]PE
Piper umbellatum  L.Piper umbellatum  L.N[84]BA

MuriciMalpighiaceaeByrsonima sericea DC.Byrsonima sericea DC.N[11, 56, 63, 82, 86, 87, 89, 98]PE, PB, CE, PI, BA
Byrsonima verbascifolia (L.) DC.Byrsonima verbascifolia (L.) DC.N[98]CE
Byrsonima coccolobifolia KunthByrsonima coccolobifolia KunthN[98]CE
Byrsonima gardneriana A. Juss.Byrsonima gardneriana A. Juss.N[74, 85]PB, PI
Byrsonima correifolia A. Juss.Byrsonima correifolia A. Juss.N[57]PI

MulunguFabaceaeErythrina velutina Willd.Erythrina velutina Willd.N[1, 3, 56, 59, 60, 63, 67, 7173, 7577, 86, 88, 89, 93, 94, 97]PE, PB, SE, CE, RN

MuçambêCleomaceaeCleome hassleriana ChodatTarenaya hassleriana (Chodat) IltisN[94]PE
Cleome spinosa Jacq.Tarenaya spinosa (Jacq.) Raf.N[3, 9, 56, 57, 59, 65, 71, 72, 75, 92, 93]PE, PB, CE, PI, RN

MororóFabaceaeBauhinia cheilantha (Bong.) Steud. Bauhinia cheilantha (Bong.) Steud.N[3, 58, 60, 6264, 7173, 7578, 85, 90, 95, 99]PE, PB, SE, CE, RN
Bauhinia forficata LinkBauhinia forficata LinkN[57, 68, 81, 93]PE, MA, RN
Bauhinia subclavata Benth.Bauhinia subclavata Benth.N[80]BA
Bauhinia smilacifolia Burch. ex Benth.Bauhinia smilacifolia Burch. ex Benth.N[90]RN
Bauhinia outimouta Aubl.Phanera outimouta (Aubl.) L. P. QueirozN[78]CE
Bauhinia acuruana Moric.Bauhinia acuruana Moric.N[74]PI
Bauhinia ungulata  L.Bauhinia ungulata  L.N[55]CE

PiquiCaryocaraceaeCaryocar brasiliense Cambess.Caryocar brasiliense Cambess.N[61, 66, 68]MA
Caryocar coriaceum Wittm.Caryocar coriaceum Wittm.N[78, 92, 98]CE

EuphorbiaceaePhyllanthus niruri  L.Phyllanthus niruri  L.N[1, 11, 57, 59, 61, 62, 65, 66, 68, 71, 75, 84, 90, 99]PE, PB, PI, MA, RN, BA
Phyllanthus amarus Schumach. and Thonn.Phyllanthus amarus Schumach. and Thonn.N[9, 52, 53, 55, 56, 63, 72, 76, 9294]PE, PB, CE
Phyllanthus tenellus Roxb. Phyllanthus tenellus Roxb. N[79, 83]BA
Phyllanthus corcovadensis Mull. Arg.
Euphorbia hyssopifolia  L.Euphorbia hyssopifolia  L.N[75, 95]PE, SE
Chamaesyce hyssopifolia (L.) Small
Euphorbia thymifolia  L.Euphorbia thymifolia  L.N[56]PE
Euphorbia prostrata AitonEuphorbia prostrata AitonN[75]PE
Phyllanthus flaviflorus (K. Schum. and Lauterb.) Airy ShawPhyllanthus flaviflorus (K. Schum. and Lauterb.) Airy ShawE[69]BA
Phyllanthus urinaria  L.Phyllanthus urinaria  L.E[78]CE
OxalidaceaeOxalis divaricata Mart. ex Zucc. Oxalis divaricata Mart. ex Zucc. N[58]SE

SabugueiroAdoxaceaeSambucus australis Cham. and Schltdl.Sambucus australis Cham. and Schltdl.N[9, 11, 56, 78, 81, 83, 84, 93, 94, 100]PE, PB, CE, RN, BA
Sambucus racemosa  L.Sambucus racemosa  L.E[69]BA
Sambucus nigra  L.Sambucus nigra  L.E[1, 11, 65, 67, 76, 79, 92, 99]PE, CE, RN, BA

FedegosoBoraginaceaeHeliotropium indicum  L.Heliotropium indicum  L.N[1, 11, 52, 55, 56, 62, 63, 71, 75, 76, 85, 8890, 92, 94]PE, PB, CE, RN
Heliotropium elongatum Hoffm. ex Roem. and Schult.Heliotropium elongatum Hoffm. ex Roem. and Schult.N[3, 53, 59, 72]PE, PB, RN
Heliotropium procumbens Mill.Heliotropium procumbens Mill.E[60]CE
FabaceaeSenna occidentalis (L.) LinkSenna occidentalis (L.) LinkN[57, 67, 69, 80, 83, 84, 88, 95]PB, SE, PI, BA
Senna uniflora (Mill.) H. S. Irwin and BarnebySenna uniflora (Mill.) H. S. Irwin and BarnebyN[66]MA

FavelaEuphorbiaceaeCnidoscolus quercifolius PohlCnidoscolus quercifolius PohlN[3, 9, 5860, 62, 70, 71, 74, 77, 88]PB, SE, CE, PI, RN
Cnidoscolus phyllacanthus (Mull. Arg.) Pax and  L. Hoffm.[9, 60, 71, 74, 88]PB, CE, PI

VelameEuphorbiaceaeCroton rhamnifolius Willd.Croton heliotropiifolius KunthN[3, 57, 59, 6264, 70, 73, 75, 76, 80, 85, 94, 95]PE, PB, SE, PI, RN, BA
Croton heliotropiifolius Kunth
Croton moritibensis Baill.
Croton sonderianus Mull. Arg.Croton sonderianus Mull. Arg.N[61, 93]PE, MA
Croton campestris A. St.-Hil.Croton campestris A. St.-Hil.N[69, 71, 74, 78, 92]PB, CE, PI, BA
Croton tenuifolius Pax and K. Hoffm.Croton betaceus Baill.N[57]PI

AcansuFabaceaePeriandra dulcis Mart. ex  Benth.Periandra mediterranea (Vell.) Taub.N[53, 80, 89]PE, PB, BA
Periandra mediterranea (Vell.) Taub.

ChananaTurneraceaeTurnera ulmifolia  L.Turnera ulmifolia  L.E[1, 9, 11, 56, 57, 60, 61, 65, 66, 68, 71, 89]PE, PB, CE, PI, MA
Turnera subulata Sm.Turnera subulata Sm.N[55, 59, 62, 78, 88, 89, 95]PB, SE, CE, RN
Turnera chamaedrifolia Cambess.Turnera chamaedrifolia Cambess.N[77]PB
Turnera guianensis Aubl.Turnera guianensis Aubl.N[68]MA

João MoleNyctaginaceaeGuapira opposita (Vell.) ReitzGuapira opposita (Vell.) ReitzN[85, 86]PB
Guapira noxia (Netto) LundellGuapira noxia (Netto) LundellN[95]SE

Unha de
LycopodiaceaeLycopodiella cernua (L.) Pic. Serm.Lycopodiella cernua (L.) Pic. Serm. N[56]PE
AlismataceaeEchinochloa colona (L.) LinkEchinochloa colona (L.) LinkE[75]PE
RubiaceaeUncaria tomentosa (Willd.) DC.Uncaria tomentosa (Willd.) DC.N[11, 54, 68, 72]PE, PB, MA
FabaceaeAcacia paniculata Willd.Senegalia tenuifolia (L.) Britton and Rose N[9, 52, 60, 63, 64, 73, 76]PE, CE
Mimosa somnians Humb. and Bonpl. ex Willd.Mimosa somnians Humb. and Bonpl.   ex Willd.N[95]SE
Mimosa sensitiva  L.Mimosa sensitiva  L.N[58]SE

Lingua de
AsteraceaeElephantopus mollis KunthElephantopus mollis KunthE [66]MA
PortulacaceaeTalinum portulacifolium (Forssk.) Asch. ex Schweinf. Talinum portulacifolium (Forssk.) Asch. ex Schweinf. E[58]SE
FabaceaeCentrosema brasilianum (L.) Benth.Centrosema brasilianum (L.) Benth.N[90]RN
SapotaceaeChrysophyllum splendens Spreng. Chrysophyllum splendens Spreng. N[82]BA
AlismataceaeEchinodorus subalatus (Mart.) Griseb. Echinodorus subalatus (Mart.) Griseb.N[59]RN

LacreClusiaceaeVismia guianensis (Aubl.) Pers.Vismia guianensis (Aubl.) Pers.N[1, 11, 53, 56, 65, 78, 86, 89, 94]PE, PB, CE
Vismia brasiliensis ChoisyVismia brasiliensis ChoisyN[87]PI

JurubebaSolanaceae Solanum paniculatum  L.Solanum paniculatum  L.N[1, 11, 52, 53, 56, 63, 67, 7477, 80, 86, 88, 93, 94]PE, PB, PI, BA
Solanum paludosum Moric.Solanum paludosum Moric.N[58, 89, 90]PB, SE, RN
Solanum absconditum AgraSolanum absconditum Agra N[85]PB
Solanum auriculatum AitonSolanum mauritianum Scop.N[97]SE
Solanum erianthum D. Don Solanum granuloso-leprosum DunalN[78]CE
Solanum polytrichum Moric.Solanum polyrtrichum Moric.N[82]BA
Solanum albidum DunalSolanum albidum DunalE[55]CE
Solanum tabacifolium Vell.Solanum scuticum M. NeeN[79]BA
Solanum lycocarpum A. St.-Hil.Solanum lycocarpum A. St.-Hil.N[66]MA

CedroMeliaceaeCedrela fissilis Vell.Cedrela fissilis Vell.N[80, 86, 93]PE, PB, BA
Cedrela odorata  L.Cedrela odorata  L.N[1, 11, 52, 53, 56, 63, 72, 73, 76, 84, 85]PE, PB, BA
TiliaceaeLuehea grandiflora Mart.Luehea grandiflora Mart.N[69]BA

Crista de
AmaranthaceaeCelosia cristata  L.Celosia argentea  L.E[61, 63, 94]PE, MA
PlumbaginaceaePlumbago scandens  L.Plumbago scandens  L.N[95]SE
BoraginaceaeHeliotropium indicum  L.Heliotropium indicum  L.N[58, 78, 83, 88]PB, SE, CE, BA
Heliotropium angiospermum MurrayHeliotropium angiospermum MurrayN[11]PE
Heliotropium tiaridioides Cham. Heliotropium transalpinum Vell.N[74]PI

ManjeronaLamiaceaeOcimum americanum  L.Ocimum americanum  L.E[1, 56, 65]PE
Origanum majorana  L.Origanum majorana  L.E[66, 84, 99, 100]PB, MA, RN, BA

AngelimFabaceaeAndira nitida Mart. ex Benth.Andira nitida Mart. ex  Benth.N[56]PE
Piptadenia obliqua (Pers.) J. F. Macbr.Pityrocarpa obliqua subsp. brasiliensis (G. P. Lewis) Luckow and R. W. JobsonN[60]CE
Andira vermifuga Mart. ex Benth.Andira vermifuga Mart. ex Benth.N[74]PI
Andira paniculata Benth.Andira paniculata Benth.N[87]PI
Luetzelburgia auriculata (Allemão) DuckeLuetzelburgia auriculata (Allemão) DuckeN[87]PI

ArrozinhoPolygalaceaePolygala gracilis KunthPolygala gracilis KunthN[88]PB
Polygala paniculata  L.Polygala paniculata  L.N[88]PB
FabaceaeZornia latifolia Sm.Zornia latifolia Sm. N[67]BA

Anil estreladoSchisandraceaeIllicium verum Hook. f.Illicium verum Hook. f.E[1, 11, 53]PE

CavalinhaEquisetaceaeEquisetum hyemale  L.Equisetum hyemale  L.E[54]PB
Equisetum giganteum  L.Equisetum giganteum  L.N[93]PE
Equisetum arvense  L.Equisetum arvense  L.E[84]BA

ChumbinhoVerbenaceaeLantana camara  L.Lantana camara  L.N[11, 53, 56, 58, 63, 64, 67, 73, 76, 82, 86, 8890, 95, 96, 98]PE, PB, SE, CE, RN, BA
OxalidaceaeOxalis insipida A. St.-Hill.Oxalis psoraleoides KunthN[73]PE
SapindaceaeCardiospermum corindum  L.Cardiospermum corindum  L.N[74]PI
Cardiospermum halicacabum  L.Cardiospermum halicacabum  L.N[74]PI

CamaráVerbenaceaeLantana camara  L.Lantana camara  L.N[60, 67, 71, 74, 88]PB, CE, PI, BA
Lantana canescens KunthLantana canescens KunthN[58]SE
AsteraceaeWedelia scaberrima Benth.Wedelia calycina Rich. N[90]RN
Verbesina diversifolia DC.Verbesina diversifolia DC.N[86]PB

Canela de
MelastomataceaeMiconia albicans (Sw.) Steud.Miconia albicans (Sw.) Steud.N[67]BA
FabaceaeCenostigma Gardnerianum Tul.Cenostigma macrophyllum Tul.N[74]PI
PrimulaceaeCybianthus detergens Mart.Cybianthus detergens Mart.N[78]CE

CatuabaBignoniaceaeAnemopaegma arvense (Vell.) Stellfeld and J. F. SouzaAnemopaegma arvense (Vell.) Stellfeld and J. F. SouzaN[68]MA
ErythroxylaceaeErythroxylum amplifolium (Mart.) O. E. Schulz Erythroxylum amplifolium (Mart.) O. E. SchulzN[78]CE
Erythroxylum vacciniifolium Mart. Erythroxylum vacciniifolium Mart.N[66, 69]MA, BA

JapecangaSmilacaceae Smilax campestris Griseb. Smilax campestris Griseb. N[78]CE
Smilax japecanga Griseb. Smilax japecanga Griseb. N[98]CE
Smilax cissoides Mart. ex Griseb. Smilax cissoides Mart. ex Griseb. N[85]PB
Smilax rotundifolia  L.Smilax rotundifolia  L.N[11]PE

VassourinhaPlantaginaceaeScoparia dulcis  L.Scoparia dulcis  L.N[9, 59, 61, 66, 67, 71, 74, 78, 80, 83, 88]PB, CE, PI, MA, RN, BA
AsteraceaeEmilia sonchifolia (L.) DC.Emilia sonchifolia (L.) DC.N[93]PE
BrassicaceaeNasturtium officinale W. T. Aiton Nasturtium officinale W. T. Aiton E[93]PE
ScrophulariaceaeCapraria biflora  L.Capraria biflora  L.N[60]CE
PolygalaceaePolygala paniculata  L.Polygala paniculata  L.N[67]BA
RubiaceaeBorreria scabiosoides Cham. and Schldl.Borreria scabiosoides Cham. and Schldl.N[89]PB
Spermacoce verticillata  L.Borreria verticillata (L.) G. Mey. N[57]PI

TransagemPlantaginaceaePlantago major  L.Plantago major  L.E[53, 54, 67, 69, 72, 79, 83, 84, 94]PE, PB, BA
AlismataceaeEchinodorus grandiflorus (Cham. and Schltd L.) Micheli Echinodorus grandiflorus (Cham. and Schltd L.) Micheli N[76, 93]PE

AlcachofraAsteraceaeVernonia condensata BakerGymnanthemum amygdalinum (Delile) Sch. Bip. ex Walp.N[1, 53, 56, 63, 67, 76, 94]PE
Cynara scolymus  L.Cynara cardunculus  L.E[52, 63, 84]PE, BA
Gymnanthemum amygdalinum (Delile) Sch. Bip. ex Walp.Gymnanthemum amygdalinum (Delile) Sch. Bip. ex Walp.N[11]PE

AçafrãoZingiberaceaeCurcuma longa  L.Curcuma longa  L.E[72, 84]PB, BA

Alfavaca LamiaceaeOcimum basilicum  L.Ocimum basilicum  L.E[68, 81]MA, RN
Ocimum campechianum Mill.Ocimum campechianum Mill.N[9, 53, 60, 83]PE, CE, BA
Ocimum gratissimum  L.Ocimum gratissimum  L.E[1, 55, 56, 61, 78]PE, CE, MA

CatoléArecaceaeSyagrus oleracea (Mart.) Becc. Syagrus oleracea (Mart.) Becc.N[85]PB
Syagrus picrophylla Barb. Rodr.Syagrus picrophylla Barb. Rodr.N[55]CE
Syagrus cearensis NoblickSyagrus cearensis NoblickN[78]CE

MentrastoAsteraceaeAgeratum conyzoides  L.Ageratum conyzoides  L.N[5860, 69, 78, 83, 94, 99]PE, SE, CE, RN, BA
Stilpnopappus scaposus DC.Stilpnopappus scaposus DC.N[96]SE
Blainvillea rhomboidea Cass.Blainvillea acmella (L.) PhilipsonN[96]SE
Prolobus nitidulus (Baker) R. M. King and H. Rob.Prolobus nitidulus (Baker) R. M. King and H. Rob.N[96]SE
PolygalaceaePolygala violacea Aubl.Polygala violacea Aubl.N[95]SE

CatingueiraFabaceaeCaesalpinia pyramidalis Tul.Poincianella pyramidalis (Tul.) L. P. QueirozN[3, 9, 11, 52, 53, 56, 58, 59, 62, 63, 67, 70, 71, 7577, 88, 90, 95, 99]PE, PB, SE, CE, RN
Poincianella pyramidalis (Tul.) L. P. Queiroz
Caesalpinia bracteosa Tul.Poincianella bracteosa (Tul.) L. P. QueirozN[57, 60]CE, PI
Poincianella microphylla (Mart. ex G. Don) L. P. QueirozPoincianella microphylla (Mart. ex G. Don) L. P. QueirozN[80]BA

MarmeleiroEuphorbiaceaeCroton blanchetianus Baill.Croton blanchetianus Baill.N[3, 52, 59, 63, 64, 70, 73, 76, 78, 80, 95]PE, PB, SE, CE, RN, BA
Croton sonderianus Mull. Arg.Croton sonderianus Mull. Arg.N[55, 62, 71, 72, 74, 75, 81, 90]PE, PB, CE, PI, RN
Croton rhamnifolius Willd.Croton heliotropiifolius KunthN[98]CE
Croton urticifolius Lam.Croton urticifolius Lam.N[86]PB
Croton argyrophylloides Mull. Arg.Croton argyrophylloides Mull. Arg.N[76]PE

OiticicaChrysobalanaceaeLicania rigida Benth.Licania rigida Benth.N[9, 55, 59, 60, 7072, 77, 85, 99]PB, CE, RN

PicãoAsteraceaeBidens pilosa  L.Bidens pilosa  L.E[61, 67]MA, BA

Barriguda Malvaceae Ceiba glaziovii (Kuntze) K. Schum.Ceiba glaziovii (Kuntze) K. Schum.N[9, 77, 85, 88]PB, CE
BombacaceaeChorisia glaziovii (Kuntze) E. SantosChorisia glaziovii (Kuntze) E. SantosN[63, 64, 73, 75]PE
LamiaceaeHypenia salzmannii (Benth.) HarleyHypenia salzmannii (Benth.) HarleyN[57]PI

ViquePolygalaceaePolygala paniculata  L.Polygala paniculata  L.N[67, 90]RN, BA
Polygala bryoides A. St.-Hil. and Moq.Polygala bryoides A.St.-Hil. and Moq.N[90]RN
LamiaceaeMentha spicata  L.Mentha spicata  L.E[66, 68]MA
Mentha pulegium  L.Mentha pulegium  L.E[56]PE

AgriãoBrassicaceaeNasturtium officinale W. T. AitonNasturtium officinale W. T. AitonE[9, 53, 56, 69, 81, 93, 94, 99]PE, CE, RN, BA
Rorippa pumila (Camb.) A. Lima Rorippa pumila (Camb.) A. Lima E[65]PE
AsteraceaeAcmella ciliata (Kunth) Cass.Acmella ciliata (Kunth) Cass. N[57]PI
Acmella oleracea (L.) R. K. JansenAcmella oleracea (L.) R. K. JansenN[72]PB

AlgodãoMalvaceae Gossypium hirsutum  L.Gossypium hirsutum  L.E[57, 78, 93]PE, CE, PI
Gossypium barbadense  L.Gossypium barbadense  L.E[56, 67, 78]PE, CE, BA
Gossypium herbaceum  L.Gossypium herbaceum  L.E[66, 68, 69, 75, 83, 84]PE, MA, BA
Gossypium arboreum  L.Gossypium arboreum  L.E[61]MA

AmeixaOlacaceaeXimenia americana  L.Ximenia americana  L.N[3, 9, 11, 53, 55, 5760, 62, 70, 74, 78, 90, 97]PE, PB, SE, CE, PI, RN
SapotaceaeChrysophyllum arenarium AllemãoChrysophyllum arenarium AllemãoN[98]CE
MyrtaceaeEugenia cumini (L.) DruceSyzygium cumini (L.) SkeelsE[68]MA
RosaceaePrunus domestica  L.Prunus domestica  L.E[81]RN

AnadorLamiaceaePlectranthus barbatus AndrewsPlectranthus barbatus AndrewsE[68]MA
Ocimum selloi Benth.Ocimum carnosum (Spreng.) Link
and Otto ex Benth.
AcanthaceaeJusticia gendarussa Burm. f. Justicia gendarussa Burm. f. E[53]PE
Justicia pectoralis Jacq.Justicia pectoralis Jacq.N[52, 55, 63, 94]PE, CE
AmaranthaceaeAlternanthera brasiliana (L.) KuntzeAlternanthera brasiliana (L.) KuntzeN[67, 69]BA
Pfaffia glomerata (Spreng.) PedersenPfaffia glomerata (Spreng.) PedersenN[67, 79]BA
AsteraceaeArtemisia vulgaris  L.Artemisia vulgaris  L.E[72, 78]PB, CE
Iodina rhombifolia Hook. and Arn.Jodina rhombifolia (Hook. and Arn) ReissekN[100]PB

ArrudaRutaceaeRuta graveolens  L.Ruta graveolens  L.E[1, 9, 11, 5257, 63, 65, 6769, 72, 75, 76, 78, 79, 81, 83, 84, 93, 94, 99101]PE, PB, SE, CE, PI, MA, RN, BA

ArtemísiaAsteraceaeArtemisia vulgaris  L.Artemisia vulgaris  L.E[54, 69, 83, 84, 94]PE, PB, BA

BambuPoaceaeDendrocalamus giganteus Wall. ex Munro Dendrocalamus giganteus Wall. ex Munro E[11, 56]PE
Bambusa arundinacea (Retz.) Willd.Bambusa bambos (L.) VossE[69]BA
Bambusa vulgaris Schrad. ex J. C. Wendl.Bambusa vulgaris Schrad. ex J. C. Wendl.E[84]BA

JanaubaApocynacaeeHimatanthus bracteatus (A. DC.) WoodsonHimatanthus bracteatus (A. DC.) WoodsonN[82]BA
Himatanthus sucuuba (Spruce ex Mull. Arg.) WoodsonHimatanthus sucuuba (Spruce ex Mull. Arg.) WoodsonN[66]MA
Himatanthus drasticus (Mart.) PlumelHimatanthus drasticus (Mart.) PlumelN[78, 98]CE

BarbatimãoFabaceaeStryphnodendron adstringens (Mart.) CovilleStryphnodendron adstringens (Mart.) CovilleN[1, 79, 92, 94, 99]PE, CE, RN, BA
Stryphnodendron barbatimam Mart.
Abarema cochliacarpos (Gomes) Barneby and J. W.Abarema cochliacarpos (Gomes) Barneby and J. W. N[11, 53, 56, 69]PE, BA
Pithecellobium cochliacarpum (Gomes) J. F. Macbr.
Stryphnodendron coriaceum Benth.Stryphnodendron coriaceum Benth.N[54, 71, 78, 87, 98]PB, CE, PI

Bom nomeCelastraceaeMaytenus rigida Mart.Maytenus rigida Mart.N[1, 3, 9, 5254, 56, 58, 60, 63, 67, 71, 73, 7577, 88, 9597]PE, PB, SE, CE
Maytenus distichophylla Mart.Maytenus distichophylla Mart.N[78]CE

CajuAnacardiaceaeAnacardium occidentale  L.Anacardium occidentale  L.N[9, 11, 54, 5658, 61, 63, 6668, 71, 75, 78, 79, 8184, 86, 87, 89, 9294, 99]PE, PB, SE, CE, PI, MA, RN, BA

Cardo santoPapaveraceaeArgemone mexicana  L.Argemone subfusiformis G. B. OwnbeyE[1, 11, 53, 60, 71, 75, 77, 79, 83, 88, 93]PE, PB, CE, BA
Argemone subfusiformis G. B. Ownbey
AsteraceaeCarduus benedictus Gaert.Carduus benedictus Gaert.E[84]BA

CandeiaFabaceaePlathymenia reticulata Benth.Plathymenia reticulata Benth.N[61, 74]PI, MA
AsteraceaeGochnatia oligocephala (Gardner) CabreraGochnatia oligocephala (Gardner) CabreraN[80]BA

Canela LamiaceaeCinnamomum zeylanicum BlumeCinnamomum verum J. PreslE[11, 53, 63, 69, 76, 81, 83, 84, 93]PE, RN, BA
LauraceaeNectandra cuspidata Nees and Mart.Nectandra cuspidata Nees and Mart.N[56]PE
Nectandra leucantha Nees and Mart.Nectandra leucantha Nees and Mart.N[94]PE

MandacaruCactaceaeCereus jamacaru DC.Cereus jamacaru DC.N[1, 9, 52, 53, 56, 5860, 63, 71, 75, 76, 78, 80, 88, 9395]PE, PB, SE, CE, RN, BA
Opuntia ficus-indica (L.) Mill.Opuntia ficus-indica (L.) Mill.E[66]MA

CarquejaAsteraceaeBaccharis trimera (Less.) DC.Baccharis crispa Spreng. N[1, 68, 79, 83, 99]PE, MA, RN, BA

CidreiraVerbenaceaeLippia alba (Mill.) N. E. Br. ex Britton and P. WilsonLippia alba (Mill.) N. E. Br. ex Britton and P. WilsonN[1, 3, 9, 11, 52, 53, 55, 57, 58, 6163, 6769, 72, 75, 76, 78, 79, 83, 9395, 99, 100]PE, PB, SE, CE, PI, MA, RN, BA
Lippia citriodora KunthAloysia citriodora PalauE[97]SE
LamiaceaeMelissa officinalis  L.Melissa officinalis  L.E[66, 81, 84, 92, 93]PE, CE, MA, RN, BA

Pra tudoCrassulaceaeKalanchoe brasiliensis Cambess.Kalanchoe crenata (Andrews) Haw.E[75]PE
SapindaceaeCardiospermum halicacabum  L.Cardiospermum halicacabum  L.N[77]PB
RutaceaeZanthoxylum hamadryadicum PiraniZanthoxylum hamadryadicum PiraniN[74]PI
FabaceaeAcosmium dasycarpum (Vogel) Yakovlev Leptolobium dasycarpum VogelN[78]CE

CopaibaFabaceaeCopaifera langsdorffii Desf. Copaifera langsdorffii Desf. N[61, 66]MA
Copaifera coriacea Mart.Copaifera coriacea Mart.N[87]PI
Copaifera reticulata DuckeCopaifera reticulata DuckeN[68]MA
Copaifera officinalis (Jacq.)   L.Copaifera officinalis (Jacq.)   L.N[84]BA
Copaifera lucens DwyerCopaifera lucens DwyerN[69]BA

Courama Malvaceae Malvaviscus arboreus Cav.Malvaviscus arboreus Cav.E[81]RN
CrassulaceaeKalanchoe brasiliensis Cambess.Kalanchoe crenata (Andrews) Haw.E[53, 55, 56, 65]PE, CE
Kalanchoe blossfeldiana Poelln. Kalanchoe blossfeldiana Poelln. E[94]PE
Bryophyllum pinnatum (Lam.) OkenKalanchoe pinnata (Lam.) Pers.E[1, 65, 72, 84, 99]PE, PB, RN, BA
Bryophyllum calycinum Salisb.
Kalanchoe pinnata (Lam.) Pers.

Cordão de
São Francisco
LamiaceaeLeonotis nepetifolia (L.) R. Br.Leonotis nepetifolia (L.) R. Br.aE[9, 57, 60, 67, 68, 71]PB, CE, PI, MA, BA
Leucas martinicensis (Jacq.) R. Br.Leucas martinicensis (Jacq.) R. Br.E[77]PB

EmbaúbaUrticaceae Cecropia palmata Willd.Cecropia palmata Willd.N[86]PB
Cecropia pachystachya TréculCecropia pachystachya TréculN[61, 67, 82, 85]PB, MA, BA
Cecropia peltata  L.Cecropia peltata  L.N[74]PI

ImbiribaAnnonaceaeGuatteria australis A. St.-Hil.Guatteria australis A. St.-Hil.N[9]CE
LecythidaceaeEschweilera ovata (Cambess.) MiersEschweilera ovata (Cambess.) MiersN[56, 85, 86, 89]PE, PB

FabaceaeZollernia ilicifolia (Brongn.) VogelZollernia ilicifolia (Brongn.) VogelN[53]PE
CelastraceaeMaytenus ilicifolia Mart. ex ReissekMaytenus ilicifolia Mart. ex ReissekN[68, 72, 79]PB, MA, BA

GengibreZingiberaceaeZingiber officinale RoscoeZingiber officinale RoscoeE[53, 57, 66, 68, 72, 84, 93, 94]PE, PB, PI, MA, BA

GraviolaAnnonaceaeAnnona muricata  L.Annona muricata  L.E[3, 9, 11, 56, 63, 69, 75, 83, 93, 94, 99]PE, PB, CE, RN, BA
Rollinia sericea (R. E. Fr.) R. E. Fr.Annona neosericea H. RainerN[67]BA
Annona cherimola Mill.Annona cherimola Mill.E[84]BA

JaboticabaMyrtaceaeMyrciaria cauliflora (Mart.) O. BergPlinia cauliflora (Mart.) KauselN[52, 63, 69, 76]PE, BA

JuáRhamnaceaeZiziphus joazeiro Mart.Ziziphus joazeiro Mart.N[3, 9, 56, 57, 59, 60, 6264, 67, 68, 7072, 7476, 78, 80, 81, 85, 86, 88, 89, 92, 93, 95]PE, PB, SE, CE, PI, MA, RN, BA
Ziziphus cotinifolia ReissekZiziphus cotinifolia ReissekN[77, 88]PB

LouroLauraceaeLaurus nobilis  L.Laurus nobilis  L.E[81, 84, 93]PE, RN, BA
Ocotea glomerata (Nees) MezOcotea glomerata (Nees) MezN[56]PE
Ocimum gratisssimum  L.Ocimum gratisssimum  L.E[52, 63, 76, 94]PE
Ocotea duckei VattimoOcotea duckei VattimoN[89]PB
Laurus azorica (Seub.) FrancoLaurus azorica (Seub.) FrancoE[100]PB

Erva doceApiaceae Pimpinella anisum  L.Pimpinella anisum  L.E[1, 3, 11, 52, 56, 63, 68, 76, 78, 79, 81, 83, 92, 93, 100]PE, PB, CE, MA, RN, BA
Foeniculum vulgare Mill.Foeniculum vulgare Mill.E[53, 67, 69, 84, 94]PE, BA

EndroApiaceae Foeniculum vulgare Mill.Foeniculum vulgare Mill.E[1, 3, 11, 52, 63, 78]PE, PB, CE
Anethum graveolens  L.Anethum graveolens  L.E[53, 54, 57, 72, 93, 100]PE, PB, PI

AlecrimLamiaceaeRosmarinus officinalis  L.Rosmarinus officinalis  L.E[3, 11, 52, 53, 56, 63, 65, 68, 69, 72, 75, 76, 78, 79, 84, 92, 93, 99, 100]PE, PB, CE, MA, RN, BA
FabaceaeCalliandra depauperata Benth.Calliandra depauperata Benth.N[60]CE
VerbenaceaeLippia thymoides Mart. and Schauer Lippia thymoides Mart. and Schauer N[80]BA

AbacateLauraceaePersea americana Mill.Persea americana Mill.E[11, 63, 66, 67, 6769, 76, 78, 79, 83, 84, 89, 94, 99]PE, PB, CE, MA, RN, BA

AlfazemaLamiaceaeLavandula spica Cav.Lavandula spica Cav.E[1, 93]PE
Hyptis suaveolens (L.) Poit.Hyptis suaveolens (L.) Poit.N[60]CE
Lavandula officinalis ChaixLavandula officinalis ChaixE[99]RN
Hyptis pectinata (L.) Poit.Hyptis pectinata (L.) Poit.N[52]PE
VerbenaceaeAloysia lycioides Cham. Aloysia lycioides Cham. N[69]BA

AlumãAsteraceaeVernonia condensata Baker
Vernonia bahiensis Toledo
Gymnanthemum amygdalinum (Delile)
Sch.Bip. ex Walp.
N[67, 79, 83, 84, 101]SE, BA

BabosaXanthorrhoeaceaeAloe vera (L.) Burm. f.
Aloe barbadensis Mill.
Aloe vera (L.) Burm. f.E[1, 3, 9, 11, 52, 53, 5557, 6669, 76, 78, 79, 81, 9294, 99, 101] PE, PB, SE, CE, PI, MA, RN, BA
Aloe socotrina Schult. and Schult. f.Aloe socotrina Schult. and Schult. f.E[83]BA

BoldoMonimiaceaePeumus boldus MolinaPeumus boldus MolinaE[1, 3, 52, 53, 63, 76, 81, 99, 100]PE, PB, RN
LamiaceaePlectranthus barbatus AndrewsPlectranthus barbatus AndrewsE[57, 66, 69, 79]PI, MA, BA
Coleus barbatus (Andrews) Benth.[79]BA
Plectranthus neochilus Schltr.Plectranthus neochilus Schltr.E[67, 83]BA

CabacinhaCucurbitaceaeLuffa operculata (L.) Cogn.Luffa operculata (L.) Cogn. N[1, 3, 11, 53, 59, 62, 66, 68, 76, 77, 84, 88, 93]PE, PB, MA, RN, BA

CamomilaAsteraceaeMatricaria chamomila  L.Matricaria chamomila  L.E[3, 9, 11, 53, 6769, 81, 84, 93]PE, PB, CE, MA, RN, BA
Coreopsis grandiflora Hogg ex Sweet Coreopsis grandiflora Hogg ex Sweet E[94]PE

Cana de macacoCostaceaeCostus spicatus (Jacq.) Sw.Costus spicatus (Jacq.) Sw.N[1, 78]PE, CE
Costus spiralis (Jacq.) RoscoeCostus spiralis (Jacq.) RoscoeN[67, 94]PE, BA
Costus arabicus  L.Costus arabicus  L.N[93]PE

CanapumSolanaceaePhysalis angulata  L.Physalis angulata  L.E[57, 66, 68, 74]PI, MA
PassifloraceaePassiflora foetida  L.Passiflora foetida  L.N[70, 77]PB

CaninanaRubiaceaeChiococca alba (L.) Hitchc.Chiococca alba (L.) Hitchc.N[9, 82, 89]PB, CE, BA
PolygalaceaePolygala paniculata L.Polygala paniculata L.N[78]CE

Capim santoPoaceaeCymbopogon citratus (DC.) StapfCymbopogon citratus (DC.) StapfE[1, 3, 9, 11, 52, 53, 55, 56, 63, 67, 69, 72, 75, 76, 78, 79, 83, 93, 94, 99101]PE, PB, SE, CE, RN, BA

CarambolaOxalidaceaeAverrhoa carambola  L.Averrhoa carambola  L.E[1, 11, 56, 57, 66, 79, 93, 94, 99]PE, PI, MA, RN, BA

CarrapateiraEuphorbiaceaeRicinus communis  L.Ricinus communis  L.E[11, 56, 63, 71, 89, 93]PE, PB

LiliaceaeAllium cepa  L.Allium cepa  L.E[3, 9, 92]PB, CE
Allium ascalonicum L.Allium ascalonicum L.E[53, 55, 69, 76]PE, CE, BA

ChambáAcanthaceaeJusticia pectoralis Jacq.Justicia pectoralis Jacq.N[53, 56, 65, 94]PE

ColôniaZingiberaceaeAlpinia speciosa (Blume) D. Dietr.
Alpinia zerumbet (Pers.) B. L. Burtt and R. M. Sm.
Alpinia speciosa (Blume) D. Dietr.E[9, 53, 65, 76, 78, 84, 93, 94, 100]PE, PB, CE, BA

ConfreiBoraginaceaeSymphytum officinale  L.Symphytum officinale  L.E[53, 67, 69, 83, 84, 93, 94]PE, BA

Cravo brancoCaryophyllaceaeDianthus caryophyllus  L.Dianthus caryophyllus  L.E[1, 11, 52, 53, 63, 65]PE
AsteraceaeTagetes erecta  L.Tagetes erecta  L.E[67, 72, 76, 93]PE, PB

Erva mouraSolanaceaeSolanum americanum Mill.Solanum americanum Mill.E[1, 11, 52, 53, 56, 57, 60, 76, 88]PE, PB, CE, PI

de cigano
AsteraceaeAcanthospermum hispidum DC.Acanthospermum hispidum DC.E[1, 3, 11, 52, 56, 63, 72, 75, 76, 88, 94, 100]PE, PB

EucaliptoMyrtaceaeEucalyptus globulus Labill.Eucalyptus globulus Labill.E[9, 57, 63, 67, 69, 71, 72, 79, 81, 84, 92]PE, PB, CE, PI, RN, BA
Eucalyptus citriodora Hook.Eucalyptus citriodora Hook. E[11, 55, 56, 94]PE, CE

PinhaAnnonaceaeAnnona squamosa  L.Annona squamosa  L.E[11, 56, 63, 75, 76, 84, 93, 99]PE, RN, BA
Annona coriacea Mart.Annona coriacea Mart.N[98]CE
Annona tomentosa R. E. Fr. Annona tomentosa R. E. Fr.N[98]CE

MamoeiroCaricaceaeCarica papaya  L.Carica papaya  L.E[3, 55, 68, 83, 92, 94]PE, PB, CE, MA, BA

GergelimPedaliaceaeSesamum orientale  L.Sesamum orientale  L.E[3, 9, 11, 53, 67, 81, 92]PE, PB, CE, RN
Sesamum indicum  L.

GirassolAsteraceaeHelianthus annuus  L.Helianthus annuus  L.E[9, 11, 53, 56, 63, 68, 69, 72, 92, 93]PE, PB, CE, MA, BA
Tithonia diversifolia (Hemsl.) A. Gray Tithonia diversifolia (Hemsl.) A. Gray E[76]PE

ImbiraAnnonaceaeXylopia frutescens Aubl.Xylopia frutescens Aubl.N[53, 86]PE, PB
Xylopia laevigata (Mart.) R. E. Fr.Xylopia laevigata (Mart.) R. E. Fr.N[89]PB

IpeBignoniaceaeTabebuia aurea (Silva Manso) Benth. and Hook. f. ex  S. MooreTabebuia aurea (Silva Manso) Benth. and Hook. f. ex  S. MooreN[82]BA
Tabebuia avellanedae Lorentz ex  Griseb.Handroanthus impetiginosus (Mart. ex  DC.) MattosN[82]BA
Tabebuia chrysotricha (Mart. ex A. DC.) Standl.Handroanthus chrysotrichus (Mart. ex  DC.) MattosN[82]BA
Tabebuia roseo-alba (Ridl.) SandwithTabebuia roseoalba (Ridl.) SandwithN[82]BA

Pau d’arco roxoBignoniaceaeTabebuia avellanedae Lorentz ex Griseb.
Tabebuia impetiginosa (Mart.  ex  DC.) Standl.
Handroanthus impetiginosus (Mart.  ex  DC.) MattosN[3, 9, 11, 54, 56, 58, 60, 65, 69, 70, 74, 85, 89, 100]PE, PB, SE, CE, PI, BA

Pau d’arco BignoniaceaeTabebuia avellanedae Lorentz ex  Griseb.Handroanthus impetiginosus (Mart. ex  DC.) MattosN[53, 62, 80]PE, RN, BA
Tabebuia impetiginosa (Mart. ex  DC.) Standl.
Tabebuia ochracea (Cham.) Standl.Handroanthus ochraceus (Cham.) MattosN[93]PE
Tabebuia serratifolia (Vahl) G. NicholsonHandroanthus serratifolius (A.H.Gentry) S. GroseN[74, 86]PB, PI
Tabebuia spongiosa RizziniHandroanthus spongiosus (Rizzini) S.GroseN[74]PI
Tabebuia aurea (Silva Manso) Benth. and Hook. f. ex  S. MooreTabebuia aurea (Silva Manso) Benth. and Hook. f. ex  S. Moore N[63, 92]PE, CE
Tabebuia caraiba (Mart.) Bureau

PepaconhaViolaceaeHybanthus ipecacuanha (L.) Baill.
Hybanthus calceolaria (L.) Oken
Hybanthus calceolaria (L.) OkenN[9, 53, 55, 56, 59, 71, 75, 77, 88, 90, 93, 94]PE, PB, CE, RN
RubiaceaePsychotria ipecacuanha (Brot.) Stokes
Cephaelis ipecacuanha (Brot.) A. Rich.
Carapichea ipecacuanha (Brot.) L. AnderssonN[1, 11, 81]PE, RN

LosnaAsteraceaeArtemisia absinthium  L.Artemisia absinthium  L.E[9, 54, 93]PE, PB, CE
Artemisia vulgaris  L.Artemisia vulgaris  L.E[1, 65]PE

MacassaLamiaceaeAeollanthus suaveolens Mart. ex  Spreng. Aeollanthus suaveolens Mart. ex  Spreng. E[53, 56, 63, 65, 76, 84]PE, PB, BA

JatobáFabaceaeHymenaea courbaril  L.Hymenaea courbaril  L.N[9, 53, 55, 61, 63, 66, 68, 71, 75, 76, 80, 8587, 89, 92, 93, 100]PE, PB, CE, PI, MA, BA
Hymenaea martiana HayneHymenaea martiana HayneN[56]PE
Hymenaea stigonocarpa Mart. ex  HayneHymenaea stigonocarpa Mart. ex  HayneN[69, 98]CE, BA
Hymenaea aurea Y. T. Lee and Langenh.Hymenaea aurea Y. T. Lee and Langenh.N[74]PI

JerimumCucurbitaceaeCucurbita pepo  L.Cucurbita pepo  L.E[11, 56, 68, 76, 93, 100]PE, PB, MA
Cucurbita argyrosperma Hort. ex L. H. BaileyCucurbita argyrosperma Hort. ex L. H. BaileyE[78]CE

LamiaceaeColeus forskohlii (Willd.) Briq. Coleus forskohlii (Willd.) Briq. E[67]PE
Mentha piperita  L.Mentha piperita  L.E[3]PB
Mentha viridis (L.) L.Mentha spicata  L.E[69]BA

LamiaceaePlectranthus amboinicus (Lour.) Spreng. Plectranthus unguentarius Codd E[3, 53, 56, 69]PE, PB, BA

LimãoRutaceaeCitrus aurantiifolia (Christm.) Swingle Citrus aurantium  L.E[9]CE
Citrus limonia (L.) Osbeck Citrus medica  L.E[56, 66, 69, 78, 79, 81, 84, 92, 99]PE, CE, MA, RN, BA
Citrus limon (L.) Osbeck
Citrus limonum Risso

MacelaArecaceaeEgletes viscosa (L.) Less.Egletes viscosa (L.) Less.E[1, 3, 9, 11, 53, 59, 60, 67, 72, 75, 78, 84, 88, 101]PE, PB, SE, CE, RN, BA
AsteraceaeAchyrocline satureioides (Lam.) DC.Achyrocline satureioides (Lam.) DC.N[81, 99]RN
LamiaceaeHyptis martiusii Benth.Hyptis martiusii Benth.N[80]BA

MaliciaFabaceaeMimosa invisa Mart. ex CollaMimosa invisa Mart. ex CollaN[56]PE
Schrankia leptocarpa DC.Mimosa candollei R. Grether N[56]PE
Mimosa misera Benth.Mimosa misera Benth.N[90]RN
Mimosa somnians Humb. and Bonpl. ex Willd.Mimosa somnians Humb. and Bonpl. ex Willd.N[85]PB
Mimosa pudica  L.Mimosa pudica  L.N[78]CE

MalvaSterculiaceaePiriqueta racemosa (Jacq.) Sweet Piriqueta racemosa (Jacq.) Sweet N[95]SE
Melochia tomentosa  L.Melochia tomentosa  L.N[75]PE
Waltheria indica  L.Waltheria americana  L.N[78]CE
Piriqueta guianensis N. E. Br.Piriqueta guianensis N. E. Br.N[95]SE
LamiaceaePlectranthus barbatus AndrewsPlectranthus barbatus AndrewsE[55]CE
MalvaceaeMalva sylvestris  L.Malva erecta J. Presl and C. PreslE[81, 99]RN
Sida linifolia Cav.Sida linifolia Cav.N[89]PB

AnacardiaceaeMangifera indica  L.Mangifera indica  L.E[52, 69, 76]PE

CapitãozinhoGomphrenaceaeGomphrena demissa Mart.Gomphrena demissa Mart.N[54, 59, 62, 71, 77]PB, RN

SterculiaceaeMelochia tomentosa  L.Melochia tomentosa  L.N[3]PB
GeraniaceaeGeranium erodifolium  L.Geranium erodifolium  L.E[53]PE
Malvaceae Alcea rosea  L.Althaea rosea (L.) Cav.E[100]PB
Urena lobata  L.Urena lobata  L.N[1, 11, 93]PE

SterculiaceaeWaltheria rotundifolia SchrankWaltheria rotundifolia SchrankN[3]PB
Malvaceae Sida cordifolia  L.Sida cordifolia  L.N[1, 57, 60, 67, 69, 88]PE, PB, CE, PI, BA
Sida galheirensis Ulbr. Sida galheirensis Ulbr.N[77]PB

ManjericãoLamiaceaeOcimum basilicum  L.Ocimum basilicum  L.E[3, 53, 55, 65, 67, 69, 72, 76, 78, 79, 81, 94, 101]PE, PB, SE, CE, RN, BA
Ociumum americanum  L.Ocumum americanum  L.E[57, 78, 83, 93]PE, CE, PI, BA
Ocimum minimum  L.Ocimum minimum  L.E[68]MA
Ocimum sanctum  L.Ocimum tenuiflorum  L.E[84]BA

MastruzChenopodiaceaeChenopodium ambrosioides  L.Chenopodium ambrosioides  L.E[1, 3, 9, 11, 52, 53, 5557, 59, 6163, 6669, 72, 75, 76, 7981, 83, 9294, 100]PE, PB, CE, PI, MA, RN, BA

Melão de São CaetanoCucurbitaceaeMomordica charantia  L.Momordica charantia  L.E[53, 5557, 60, 66, 72, 75, 76, 79, 8385, 90, 92, 94, 99]PE, PB, CE, PI, MA, RN, BA

MufumboCombretaceaeCombretum fruticosum (Loefl.) StuntzCombretum fruticosum (Loefl.) StuntzN[57, 70]PB, PI
Combretum leprosum Mart.Combretum leprosum Mart.N[62, 71, 90]PB, RN
Combretum mellifluum EichlerCombretum mellifluum EichlerN[61]MA

MutambaSterculiaceaeGuazuma ulmifolia Lam.Guazuma ulmifolia Lam.N[1, 11, 54, 56, 66, 69, 82, 85, 86, 94]PE, PB, MA, BA
UlmaceaeTrema micrantha (L.) BlumeTrema micrantha (L.) BlumeN[74]PI

PereiroApocynaccaeAspidosperma parvifolium A. DC.Aspidosperma parvifolium A. DC.N[94]PE
Aspidosperma pyrifolium Mart.Aspidosperma pyrifolium Mart.N[3, 52, 53, 58, 59, 62, 63, 70, 7377, 80, 88, 95]PE, PB, SE, PI, RN, BA
TiliaceaeLuehea ochrophylla Mart.Luehea ochrophylla Mart.N[56]PE

Pega pintoNyctaginaceaeBoerhavia diffusa  L.Boerhavia diffusa  L.E[1, 3, 9, 11, 52, 53, 57, 59, 61, 63, 75, 76, 78, 90, 9395]PE, PB, SE, CE, PI, MA, RN
Boerhavia  coccinea Mill.Boerhavia  coccinea Mill.E[55, 60, 69]CE, BA
Boerhavia hirsuta Jacq.

PitangaMyrtaceaeEugenia uniflora  L.Eugenia uniflora  L.N[11, 52, 56, 63, 67, 69, 75, 76, 78, 79, 83, 93, 94]PE, CE, BA
Eugenia pitanga (O. Berg) Kiaersk.Eugenia pluriflora DC.N[84]BA

Pinhão roxoEuphorbiaceaeJatropha gossypiifolia  L.Jatropha gossypiifolia  L.N[56, 57, 69, 71, 75, 76, 78, 99]PE, PB, CE, PI, RN, BA
Jatropha ribifolia (Pohl) Baill.Jatropha ribifolia (Pohl) Baill.N[80]BA

PoejoLamiaceaeMentha pulegium  L.Mentha pulegium  L.E[53, 67, 83, 93]PE, BA

Quebra facaEuphorbiaceaeCroton conduplicatus KunthCroton conduplicatus KunthN[9]CE
Croton rhamnifolius Willd. Croton heliotropiifolius KunthN[53]PE
Croton cordiifolius Baill. Croton cordiifolius Baill. N[60]CE

QuiaboMalvaceae Hibiscus esculentus  L.Abelmoschus esculentus (L.) MoenchE[53, 55, 56, 66, 67, 76, 78, 84]PE, CE, MA, BA
Abelmoschus esculentus (L.) Moench

QuinaRubiaceaeCoutarea hexandra (Jacq.) K. Schum.Coutarea hexandra (Jacq.) K. Schum. N[9, 53, 58, 69, 71, 76, 86, 94]PE, PB, SE, CE, BA
Cinchona calisaya Wedd. Cinchona officinalis  L.N[66]MA
SimaroubaceaeQuassia amara  L.Quassia amara  L.N[68]MA
RubiaceaeChiococca brachiata Ruiz and Pav.Chiococca alba (L.) Hitchc.N[80]BA

RomãPunicaceaePunica granatum  L.Punica granatum  L.E[3, 9, 5355, 57, 61, 63, 65, 68, 69, 72, 76, 78, 79, 81, 83, 93, 99, 100]PE, PB, CE, PI, MA, RN, BA
BrassicaceaeArmoracia rusticana G. Gaertn., B. Mey., and Scherb.Armoracia rusticana G. Gaertn., B. Mey., and Scherb.E[84]BA

SaiãoCrassulaceaeKalanchoe brasiliensis Cambess.Kalanchoe brasiliensis Cambess.E[3, 53, 72]PE, PB

Salsa ConvolvulaceaeIpomoea asarifolia (Desr.) Roem. and Schult.Ipomoea asarifolia (Desr.) Roem. and Schult.N[11, 56, 57, 59, 60, 65, 78, 85, 89]PE, PB, CE, PI, RN
Ipomoea pes-caprae (L.) R. Br.Ipomoea pes-caprae (L.) R. Br.N[95]SE
ApiaceaePetroselinum crispum (Mill.) FussPetroselinum crispum (Mill.) FussE[67]BA
Petroselinum sativum Hoffm.Petroselinum sativum Hoffm.E[84]BA

SambacaitáLamiaceaeHyptis pectinata (L.) Poit.Hyptis pectinata (L.) Poit.N[58, 80, 93]PE, SE, BA
Hyptis suaveolens (L.) Poit.Hyptis suaveolens (L.) Poit.N[94]PE
Hyptis mutabilis (Rich.) Briq. Hyptis mutabilis (Rich.) Briq. N[76]PE

SenaFabaceaeSenna acutifolia LinkSenna alexandrina Mill.N[53]PE
Senna corymbosa (Lam.) H. S. Irwin and BarnebySenna corymbosa (Lam.) H. S. Irwin and BarnebyN[94]PE
Senna martiana (Benth.) H. S. Irwin and BarnebySenna martiana (Benth.) H. S. Irwin and BarnebyN[77]PB
Tephrosia purpurea (L.) Pers.Tephrosia purpurea (L.) Pers.N[69]BA

SucupiraFabaceaeBowdichia virgilioides KunthBowdichia virgilioides KunthN[1, 11, 56, 76, 86, 89, 98]PE, PB, CE
Bowdichia nitida Spruce ex Benth.Bowdichia nitida Spruce ex Benth.N[68]MA

TamarinoFabaceaeTamarindus indica  L.Tamarindus indica  L.E[9, 11, 56, 57, 61, 63, 72, 83, 84, 92, 93]PE, PB, CE, PI, MA, BA

GuinéPhytolacacceaePetiveria alliacea  L.Petiveria alliacea  L.N[53, 72, 84]PE, PB, BA
Petiveria tetrandra B. A. Gomes Petiveria tetrandra B. A. Gomes N[79]BA

UrucumBixaceaeBixa orellana  L.Bixa orellana  L.N[9, 55, 56, 61, 66, 69, 78, 81, 83, 84, 92]PE, CE, MA, RN, BA

TiriricaCyperaceaeCyperus ligularis  L.Cyperus ligularis  L.N[95]SE
Cyperus surinamensis Rottb.Cyperus surinamensis Rottb.N[95]SE
Fimbristylis dichotoma (L.) VahlFimbristylis dichotoma (L.) VahlN[95]SE
Fimbristylis littoralis Gaudich. Fimbristylis miliacea (L.) VahlN[95]SE

JuncoCyperaceaeEleocharis interstincta (Vahl) Roem. and Schult.Eleocharis interstincta (Vahl) Roem. and Schult.N[56]PE
Eleocharis elegans (Kunth) Roem. and Schult.Eleocharis elegans (Kunth) Roem. and Schult.N[60]CE
Cyperus articulatus  L.Cyperus articulatus  L.N[59]RN
Cyperus esculentus  L.Cyperus esculentus  L.N[54]PB

TomateSolanaceaeLycopersicon esculentum MilL.Solanum lycopersicum  L.E[56, 57, 67, 93, 99]PE, PI, RN
Physalis ixocarpa Brot. ex Hornem.Physalis philadelphica Lam.E[68]MA

TrapiáCapparidaceaeCrataeva tapia  L.Crataeva tapia  L.E[53, 57, 63, 66, 70, 73, 75]PE, PB, PI, MA

Urtiga brancaEuphorbiaceaeCnidoscolus urens (L.) ArthurCnidoscolus urens (L.) ArthurN[1, 11, 53, 56, 59, 71]PE, PB, RN
Cnidoscolus phyllacanthus (Mull. Arg.) Pax and L. Hoffm.Cnidoscolus phyllacanthus (Mull. Arg.) Pax and L. Hoffm.N[76]PE
Cnidoscolus infestus Pax and K. Hoffm.Cnidoscolus infestus Pax and K. Hoffm.N[77]PB
LamiaceaeLamium album  L.Lamium album  L.E[100]PB
LoasaceaeAosa rupestris (Gardner) WeigendAosa rupestris (Gardner) WeigendN[77]PB
UrticaceaeUrtica urens  L.Urtica urens  L.E[54]PB

Jurema brancaFabaceaePiptadenia stipulacea (Benth.) DuckePiptadenia stipulacea (Benth.) DuckeN[3, 11, 60, 90]PE, PB, CE, RN
Senegalia piauhiensis (Benth.) Seigler and EbingerSenegalia piauhiensis (Benth.) Seigler and EbingerN[58]SE
Calliandra spinosa DuckeCalliandra spinosa DuckeN[90]RN
Mimosa ophthalmocentra Mart. ex Benth.Mimosa ophthalmocentra Mart. ex Benth.N[85]PB
Mimosa tenuiflora (Willd.) Poir.Mimosa tenuiflora (Willd.) Poir.N[95]SE
Acacia farnesiana (L.) Willd.Vachellia farnesiana (L.) Wight and Arn.N[63, 73]PE

FabaceaeMimosa tenuiflora (Willd.) Poir.Mimosa tenuiflora (Willd.) Poir.N[1, 3, 9, 11, 52, 53, 5860, 63, 7073, 75, 7981, 85, 93, 95]PE, PB, SE, CE, RN, BA
Mimosa acutistipula (Mart.) Benth.Mimosa acutistipula (Mart.) Benth.N[54]PB

SolanaceaeSolanum rhytidoandrum Sendtn. Solanum rhytidoandrum Sendtn. N[58, 77, 88]PB, SE
Solanum polytrichum Moric.Solanum polytrichum Moric.N[82]BA
Solanum stipulaceum Roem. and Schult.Solanum stipulaceum Roem. and Schult.N[60]CE
Solanum albidum DunalSolanum albidum DunalE[55]CE

Imburana de cheiroFabaceaeAmburana cearensis (Allemão) A. C. Sm. Amburana cearensis (Allemão) A. C. Sm. N[1, 52, 57, 60, 63, 67, 72, 76, 77, 92]PE, PB, CE, PI
AnacardiaceaeMyracrodruon urundeuva AllemãoMyracrodruon urundeuva AllemãoN[53]PE

PE: Pernambuco, PB: Paraiba. SE: Sergipe, CE: Ceará. RN: Rio Grande do Norte, BA: Bahia, MA: Maranhão, PI: Piauí.

Analysis of the data corresponding to the state of Pernambuco alone identified 138 out of the 165 ethnospecies found in the northeast region, which exhibited correspondence with 203 species. The ratio of species to ethnospecies was 1.46. The pattern of correspondence included 89 (64%) instances of one-to-one correspondence and 49 (36%) of underdifferentiation; the homonym ethnospecies represented a total of 114 species.

Comparison of the data from the state of Pernambuco and the northeast region showed variation in the number of one-to-one correspondences that was inversely proportional to the size of the sampled area, whereas the number of homonym ethnospecies varied in proportion to the size of the sampled area, as shown in Figure 1. Consequently, the homonym ethnospecies predominated in the northeast (NE) sample ( ; ; ).

In the group of homonym ethnospecies, 309 (74%) were representative of the native flora, and 109 (26%) were exotic species. In the group of ethnospecies with one-to-one correspondence, 15 (37%) were representative of the native flora and 26 (63%) were exotic species (Figure 2). The proportion of native species relative to the proportion of exotic species was therefore significantly greater for the under-differentiated ethnospecies compared to the one-to-one ethnospecies ( ; ; ).

Among the 418 homonym ethnospecies, 256 (61.3%) were congeneric (type 1 underdifferentiation), and 77 (18.4%) exhibited correspondence at the genus level only (type 2 underdifferentiation). That is to say, 61% of the species bear correspondence to at least one other species of the same genus with the same vernacular name, whereas 18.4% of the homonym ethnospecies exhibited correspondence with one or more species belonging to other genera in the same family. In some cases (20.3%), the homonym ethnospecies belonged to different families, such as the ethnospecies “fedegoso” (coffee senna) and “capeba” (cow-foot leaf) (Table 1).

4. Discussion

4.1. Hidden Diversity in Regional Markets

Knowledge of the hidden diversity of medicinal plant species represents an important tool because it might point to the possible patterns of substitution of homonym ethnospecies in a given area. In the case of northeast Brazil, 75% of the plants traded in regional public markets exhibit correspondence with more than one plant species.

As most (74%) such species are representative of the native flora, we might infer that the regional markets are largely supplied by natural stocks. Because the demand for medicinal plants is continuously increasing [2], the gradual exhaustion or scarcity of resources might make the substitution of homonym ethnospecies unavoidable and increasingly more frequent, particularly in the large cities where 70% of the population resides [34] and where access to medicinal plants is primarily mediated by commerce.

Precisely for that reason, it is safe to assert that semantic plurality is manifested most frequently at the public markets of large cities, which are privileged spaces where significant amounts of people, products, and knowledge circulate on a daily basis. Thus, such markets afford an extremely favorable scenario for comparative ethnobotanical studies at a regional level.

In recent years, ethnobotanical research in regional public markets has provided an important platform for conservation studies and biological prospecting. However, the limitations to species identification represent the major hindrance to the growth of research in such locations [6] as well as to the assessment of hidden diversity and events of homonym ethnospecies substitution, as most of the plants are sold in parts or pieces that are sometimes completely uncharacteristic.

For that reason, homonym ethnospecies go easily unnoticed when commercial medicinal species are cataloged, the more so the more remarkable the morphological similarities are. In this regard, 61.3% of the hidden diversity of the medicinal plants of the northeast region is congeneric, that is, exhibits type 1 underdifferentiation, which denotes phylogenetic proximity and consequently morphological similarity [102]. This similarity makes the understanding of the ethnobotanical data collected at public markets even more difficult.

To prevent this situation, the criteria adopted for the identification of species by some studies conducted in regional public markets are based on the vernacular nomenclature, sometimes as a complementary identifier [12, 103] and other times as the primary criterion [6]. In places where the catalog of medicinal plants and the data relative to their biodiversity are comprehensive, common names might possibly be used quite safely. However, this is definitely not the case in Brazil, where the repertoire of medicinal plants in these marketing spaces is largely a hidden diversity.

Additionally, due to the explicit difficulty of recognizing and identifying the plant species in public markets and the progressive increase in the substitution of homonym ethnospecies, the vulnerability of consumers tends to become more serious, and possible risks related to safety and efficacy might be potentiated when one species is indistinctly replaced with another. This phenomenon occurs because most of the Brazilian medicinal plant species have not yet been subjected to appropriate studies that would establish their use in a scientifically safe manner, so to speak, that is, describing their side effects, contraindications, toxicity, and effective therapeutic action.

Because the only plant material available for species identification is that sold at the markets, whereas the harvesting sites are usually inaccessible due to their distance or the unavailability or mistrust of the harvesters—as a large part of harvesting is indiscriminate—the resolution of this impasse necessarily demands more specialized taxonomic procedures, such as micrography and molecular taxonomy.

In this regard, several techniques have been widely applied to the resolution of this type of taxonomic problem [14, 15, 104106], to support scientific research and as a tool for the surveillance and control of commercial plant and animal products. Barcoding is one of the most promising among such techniques and has already been applied to the identification of plant species in public markets [107]. This technique consists of the identification of species based on the differentiation of genetic sequences in specific DNA regions [108].

The use of molecular taxonomy might in time become a very important and practical tool for cataloging the hidden diversity in public markets and thus contribute to a better understanding of the biodiversity flow in a given area and, consequently, the frequency with which homonym ethnospecies are being interchangeably used in public markets. A reliable cataloging of this biodiversity affords multiple possibilities for further biological and cultural studies and must be considered as crucial for the advancement of ethnobotanical research.

4.2. Implications for Conservation

From the perspective of conservation at the regional level, one should not ignore the hidden diversity of medicinal plants, as this diversity represents the possible variations in the range of species that are effectively used relative to the multiplicity of homonym ethnospecies and the biological diversity of a given area. On such grounds, one might infer that the larger the number of homonym ethnospecies, the higher the odds that the pressure of use is, or might eventually become, distributed among more than one plant population, as in our study where a significant number of native homonym ethnospecies (74%) was found.

When, conversely, the frequency of use predominantly affects one species, the risks are patently greater for the species affected but also for others with the same vernacular name, as due to substitution, those others might become subjected to an intense and fast extractivist pressure that compromises their resilience, particularly in the case of the most vulnerable populations, leading to their collapse.

The species Myracrodruon urundeuva provides a good example of the possible impact of the extractivist pressure on more than one plant population. In this case, another species, Schinus terebinthifolius, which is also native and belongs to the same family, is currently traded under the same generic name (“aroeira”—Brazilian peppertree) in the city of Recife [1]. Therefore, these species are interchangeably used, even though they belong to different genera, as the used parts do not allow for a clear differentiation.

It is possible that such homonym ethnospecies are being overlapped in an unconscious and undocumented manner at the points of sale, especially in the case of populations that are no longer easily found in their natural reservoirs and that precisely for that reason are subjected to substitution processes. For example, the case of “espinheira santa” (Maytenus ilicifolia), which following its long-term indiscriminate harvesting became a threatened species [109] and is associated with several substitute species that currently occupy the same semantic-therapeutic niche [110].

This type of approach must be taken into account upon establishing conservation priorities and efficient management strategies, as accurate knowledge of the hidden diversity of medicinal plants and the possibilities for efficient exchanges among homonym ethnospecies might favor a more balanced distribution of the extractivist pressure, thus minimizing its impact, avoiding the collapse of populations and promoting greater resilience.

The applicability of hidden substitutions of species to biological conservation is thus in keeping with explicative models related to the utilitarian redundancy hypothesis [52], according to which a larger number of species within one utilitarian category leads to greater mutual support and protection of the associated species as well as increased resilience.

Thus, we might assert that the phenomenon of the hidden diversity of medicinal plants gives support to utilitarian redundancy as an explanatory model for the pressure of use, as the overlapping species are subsumed under one and the same identity and consequently the same therapeutic indications, as their corresponding practical value is culturally well established.

Because, based on the strength of tradition, the homonym ethnospecies are functional analogs, the remaining task is to distinguish each one of them and establish the level at which the preference for and/or access to each particular species occurs and then to define the degree of utilitarian redundancy, which is also hidden, so to speak. For that purpose, once again the elaboration of a taxonomically reliable record of this biodiversity is required.

Within that context, the assessment of hidden and redundant biodiversity becomes an important predictive ecological tool, as a function of the perfect semantic-therapeutic juxtaposition of the homonym ethnospecies at the regional level. Public policies for the conservation, regulation, control, and use of medicinal plants in Brazil should not ignore the regional level and its implicit cultural and biological richness [111113]. From this perspective, comparative ethnobotany will become an indispensable tool in decision making and actions aimed at the sustainable use of biodiversity.

4.3. Implications for Bioprospecting

Several studies [114116] have found similar biochemical compositions in related species, which might point to similar uses within the range of applications already well established by tradition. The biochemical constitutions of species in the same family quite commonly include the same pattern of secondary components [114].

Nevertheless, the therapeutic efficacy and the risks associated with the use of the vast majority of species acknowledged as medicinal by the population have not yet been assessed [117]. With regard to the medicinal species whose safety and efficacy have been demonstrated, ethnobotanical studies that include their hidden diversity might contribute to the identification of more efficacious species as well as of those more promptly available for consumption.

Therefore, the identification of homonym species with similar uses might not only reduce the pressure of use on the natural reservoirs but also allow for easier and more encompassing access for a larger number of people. In this regard, it is worth stressing that to be efficient, public policies addressing access to medicinal plants must take into consideration the natural distribution of the species, when it is spontaneous, and the limits of its ecophysiological tolerance, in the case of cultivated species. The identification of homonym species might represent an alternative in both cases.

Recently, the Brazilian government published a list of 71 medicinal plant species recommended for use by the Unified Health System (Sistema Único de Saúde—SUS) [118]. As a function of the continental size of Brazil and its environmental diversity, the distributions of some of these medicinal species are not homogeneous across all regions. Species typical of the south and southeast regions are hardly found in the north and northeast regions, and vice versa. Therefore, in both cases, there are homonym ethnospecies occupying the same semantic-therapeutic niche of many species in the corresponding region.

The case of Uncaria tomentosa is exemplary. This plant, native to Amazonia (north region), is commonly known as “unha de gato” (cat’s claw) and acknowledged for its remarkable anti-inflammatory activity. Although it was included in the SUS list, access to this plant is extremely restricted in other Brazilian regions, which, however, will not prevent the emergence of other types of “cat’s claw.” There are at least six different species known as “cat’s claw” in the northeast region alone, five of which are native and one subspontaneous, corresponding to four different families, thus denoting the generality of the common name and the particularity of the biological expression.

According to Albuquerque and Hanazaki [119] one of the basic rules in biological prospecting is to identify the criteria used by people to select plants for medicinal use. According to those authors, the process underlying such selection might point to more efficacious strategies and shortcuts for the identification of key species relevant to bioprospecting.

A preliminary assessment of the distributions of the ethnospecies in the present study indicated that several species, including exotic ones established centuries ago, have corresponding homonym ethnospecies from the local flora. This is the case for cinnamon, watercress, elder tree, artichoke, clove basil, plum, and rosemary, among others (see Table 1). Such correspondences were also found when medicinal plant species were compared with the names of drugs (generic and trademarks names) with widely acknowledged therapeutic effects, such as Meracilina, penicillin, Novalgina, aspirin, Terramycin, and ampicillin, among others [9, 11, 24, 93, 120, 121]. In such cases, the species is named after its corresponding drug name, thus representing a flagrant instance of classification based on analogical use.

Similarly, based on the wide variety and distribution of homonym ethnospecies, we might infer that the development of knowledge at the local level seeks to subsume the available biodiversity under the already established and culturally consolidated semantic-therapeutic patterns. For that reason, when key species with high cultural relevance are absent, the communities tend to opt for species substitutions [52].

As a function of the existence of semantic-therapeutic niches and the impossibility of filling them with traditionally acknowledged species, an analogy-based local process appears to be triggered. According to the available data, several mechanisms of cultural selection are operative in this analogy-based local process, whereby the most fitting pieces of local knowledge become prevalent and amplified across the community, pointing to the locally accessible species, which thus come to be used as corresponding (homonym) ethnospecies. This hypothesis is corroborated by the high frequency of homonym ethnospecies representing the native flora (73%).

Comparative ethnobotanical studies of different regions might eventually elucidate the possible role of vernacular names as models for the manifestation of the expression of local biodiversity or the measure and circumstances under which a peculiar regional classification system tends to prevail at the expense of allochthonous and/or general systems. In addition, the identification of the level of semantic similarity of species at the local level might contribute to a better understanding of the process of construction of local/regional knowledge and make the planning of the use, prospection, and conservation of these resources more efficient [122].

5. Conclusions

Regardless of being a frequent process, affecting either some or the full set of species of a given region, the substitution of homonym ethnospecies denotes a novel consumption option for a well-established cultural practice involving limited products within a commercial niche consolidated by tradition. For that reason, even where the level, frequency, and circumstances under which such substitutions occur might not be identified in the near future, some relevant questions have already been raised. Such questions, which might contribute to optimizing the use of medicinal plants in a safe and more sustainable manner, include the following. (1) How might the homonym species be alternately used for the same therapeutic action and how efficacious are they? (2) For which homonym ethnospecies might divergent uses, absence, or differences in the level of therapeutic efficacy be currently listed? (3) What are the health risks to people who, either travelling or at their original place of residence, indiscriminately consume different species subsumed under the same common name? (4) What tools might be created to support consumers and researchers in the understanding and interpretation of the semantic plurality associated with medicinal plants? (5) Which bioprospecting actions and management plans have taken the hidden diversity of species at the regional level into consideration?

The fact that a significant percentage of the common names of plants in the Brazilian northeast region exhibits correspondences to multiple species is irrevocably established. A more thorough understanding of the dynamics and dimensions of such semantic-biological variability and the corresponding implications requires the integration of several areas of knowledge, including taxonomy, biochemistry, population ecology, phytosociology, linguistics, and anthropology.

The proportion of species found by ethnospecies (2.78) was significant, although we recognize that a more comprehensive coverage of markets and fairs in the nine northeastern states could lead to an increase of this proportion or even the emergence of new ethnospecies not listed in this survey. To what concerns the low number of respondents committed to the study, in all the six markets visited, it should be clarified that the purpose of the field survey was to catalogue ethnospecies currently marketed in order to support the identification of the corresponding species through the literature search.


The authors thank all of the respondents who participated in the study and the National Council of Scientific and Technological Development (Conselho Nacional de Desenvolvimento Científico e Tecnológico—CNPq) for the scholarships granted to the authors and financial support to UPA (“Edital Universal—2012”).


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