| Family/species | Plant parts used | Indication | Pharmacological study/molecules evaluated | Occurrence (reference) |
| Amaranthaceae | | | | | Iresine herbstii Hook | Leaf | Cancer | — | 2 [15, 16] | Anacardiaceae | | | | | Anacardium occidentale L. | Resin | Wart | In vitro, in vivo and clinical/Anacardic acid, polysaccharides, oligosaccharides, β-galactose, and proteins [17–20] | 2 [21, 22] | Myracrodruon urundeuva Allemão | Bark | Tumors, neoplasias | — | 2 [23, 24] | Annonaceae | | | | | Rollinia leptopetala R.E. Fr. | Bark | Tumors | — | 2 [22, 25] | Rolliniopsis leptopetala (R.E. Fr.) Saff. | Bark | Tumors | — | 1 [13] | Apocynaceae | | | | | Forsteronia refracta Müll. Arg. | Latex | Cancer | In vitro/SL0101 (a kaempferol glycoside) [26] | 1 [27] | Hancornia speciosa Gomes | Latex | Cancer | In vitro [28] | 1 [29] | Himatanthus articulatus (Vahl) Woodson | Latex | Tumors, cancer | — | 1 [22] | Himatanthus bracteatus (A. DC.) Woodson | Latex | Tumors, cancer | — | 1 [22] | Himatanthus obovatus (Müll. Arg.) Woodson | Latex | Cancer | In vitro [30] | 1 [31] | Macrosiphonia velame (A. St.-Hil.) Müll. Arg. | Whole plant, root | Tumors | — | 1 [31] | Arecaceae | | | | | Orbignya phalerata Mart. | Fruit | Leukemia | In vitro [32] | 1 [22] | Asclepiadaceae | | | | | Marsdenia altissima (Jacq.) Dugand | Bark | Cancer | — | 1 [22] | Asteraceae | | | | | Acanthospermum hispidum DC. | Leaf, flower, root | Cancer | In vitro and in vivo [33, 34] | 2 [35, 36] | Aster squamatus (Spreng.) Hieron. | Aerial parts | Cancer | — | 2 [15, 37] | Calendula officinalis L. | Whole plant | Cancer | In vitro and in vivo/calenduloside F 6′-O-n-butyl-ester and calenduloside G 6′-O-methyl ester [38] | 1 [15] | Silybum marianum (L.) Gaertn. | — | Internal tumors | In vitro and in vivo/silybinin and silimarin [39, 40] | 1 [16] | Bignoniaceae | | | | | Tabebuia impetiginosa (Mart. ex DC.) Standl. | Bark, flower, bast | Cancer and tumors | In vitro and in vivo/β-lapachone [41, 42] | 6 [13, 22, 43–46] | Tecoma violacea | Bark | Cancer | — | 1 [47] | Boraginaceae | | | | | Symphytum officinale L. | Leaf | Leukemia, cancer, mouth cancer, skin cancer | In vitro [48] | 5 [23, 45, 46, 49, 50] | Caricaceae | | | | | Carica papaya L. | Flower, fruit, latex | Wart | In vitro/5,7-dimethoxycoumarin, Lycopene and Benzyl isothiocyanate [51–53] | 2 [13, 54] | Caryocaraceae | | | | | Caryocar coriaceum Wittm. | — | Tumors | — | 1 [55] | Cecropiaceae | | | | | Cecropia hololeuca Miq. | — | Cancerous wounds | — | 1 [56] | Cecropia peltata L. | — | Cancerous wounds | — | 1 [56] | Celastraceae | | | | | Maytenus ilicifolia (Schrad.) Planch. | Leaf, root | Cancer, skin cancer, tumors | In vitro/Pristimerin, 6-oxotingenol and Erythrodiol [57–59] | 4 [16, 37, 60, 61] | Maytenus obtusifolia Mart. | Leaf | Cancer | — | 1 [22] | Maytenus rigida Mart. | Bark | Cancer | — | 1 [22] | Chenopodiaceae | | | | | Chenopodium ambrosioides L. | Stem, leaf, whole plant | Cancer | In vitro and in vivo/ascaridol [62, 63] | 2 [13, 31] | Cochlospermaceae | | | | | Cochlospermum regium (Schrank) Pilg. | Root | Cancer | — | 1 [31] | Crassulaceae | | | | | Cotyledon orbiculata L. | — | Cancer | — | 1 [64] | Euphorbiaceae | | | | | Cnidoscolus obtusifolius Pohl ex Baill. | Leaf, flower | Cancer and tumors | — | 3 [13, 35, 36] | Cnidoscolus phyllacanthus (Müll. Arg.) Pax & L. Hoffm. | Stem, bark, bast, látex, root | Wart | — | 2 [13, 21] | Cnidoscolus urens (L.) Arthur | Root | Cancer | — | 1 [23] | Croton antisyphiliticus Mart. | Leaf | Tumors | — | 1 [65] | Croton urucurana Baill. | — | Cancer | — | 1 [55] | Euphorbia phosphorea Mart. | Stem, latex | Wart | — | 3 [13, 22, 47] | Euphorbia prostrata Aiton | Latex | Wart | — | 3 [13, 22, 47] | Euphorbia tirucalli L. | Latex, aerial parts, leaf | Cancer and wart | — | 6 [15, 16, 22, 64, 66, 67] | Manihot esculenta Crantz | Leaf, látex, root | Wart | In vitro/linamarin, esculentoic acids A and B [68, 69] | 2 [13, 47] | Fabaceae | | | | | Anadenanthera colubrina (Vell.) Brenan | Stem, bark, bast, flower, leaf, fruit | Cancer | In vivo/acidic heteropolysaccharide [70] | 1 [13] | Bauhinia forficata Link | Leaf | Cancer | In vitro/HY52 [71] | 1 [60] | Copaifera langsdorffii Desf. | — | Tumors | In vitro/kaurenoic acid [72] | 1 [55] | Copaifera multijuga Hayne | Oil of fruit | Cancer | In vitro and in vivo [73] | 1 [22] | Copaifera reticulata Ducke | Whole plant | Cancer | — | 1 [22] | Parapiptadenia rigida (Benth.) Brenan | — | Tumors | — | 1 [50] | Senna occidentalis (L.) Link | Leaf, seed, root | Cancer | In vitro [74] | 2 [13, 36] | Iridaceae | | | | | Eleutherine bulbosa (Mill.) Urb. | Leaf, bulb | Cancer | — | 1 [67] | Lamiaceae | | | | | Leucas martinicensis (Jacq.) R. Br. | Leaf | Benign tumors | — | 1 [75] | Lecythidaceae | | | | | Cariniana rubra Gardner ex Miers | Bark | Tumors (myoma) | — | 1 [61] | Liliaceae | | | | | Aloe arborescens Mill. | Leaf | Cancer, prostate cancer | In vitro, in vivo and clinical/Aloin [76–78] | 6 [15, 16, 64, 66, 79, 80] | Aloe soccotrina DC. | Leaf | Leukemia | — | 2 [22, 81] | Aloe vera (L.) Burm. f. | Leaf, root, stem and sap | Cancer | In vitro and in vivo/aloe-emodin and aloctin I [82, 83] | 8 [13, 16, 23, 31, 55, 60, 84, 85] | Lythraceae | | | | | Lafoensia pacari A. St.-Hil. | Bark | Cancer | — | 1 [61] | Malvaceae | | | | | Abutilon grandifolium (Willd.) Sweet | Leaf | Cancer and myoma | — | 2 [16, 79] | Myrcinaceae | | | | | Rapanea guianensis Aubl. | Branches with leaf | Tumors | In vitro/rapanone [86] | 1 [87] | Rapanea umbellata (Mart.) Mez | Branches with leaf | Tumors | — | 1 [87] | Myrtaceae | | | | | Myrciaria herbacea O. Berg | Root | Cancer | — | 1 [31] | Nyctaginaceae | | | | | Boerhavia diffusa L. | Leaf, root | Leukemia | In vivo/punarnavine, boeravinones G and H [88, 89] | 1 [31] | Guapira pernambucensis (Casar.) Lundell | Bark | Wart | — | 1 [22] | Papaveraceae | | | | | Chelidonium majus L. | Latex | Wart | In vitro and in vivo/chelidonine, sanguinarine, chelerythrine, and nucleases (CMN1 and CMN2) [90–92] | 1 [15] | Piperaceae | | | | | Ottonia leptostachya Kunth | Whole plant | Wart | — | 1 [22] | Piper regnellii (Miq.) C. DC. | Leaf, aerial parts | Myoma | — | 1 [37] | Plantaginaceae | | | | | Plantago australis Lam | Leaf, root, whole plant, and inflorescence | Tumors, cancer and prevent cancer | — | 3 [37, 50, 79] | Plantago major L. | Leaf, root, whole plant and inflorescence | Prevent cancer | In vitro and in vivo [93, 94] | 1 [79] | Plantago tomentosa Lam. | — | Cancer | — | 2 [16, 37] | Plumbaginaceae | | | | | Plumbago scandens L. | Bark, leaf, root, whole plant | Wart | In vivo and in vitro/plumbagin [95, 96] | 4 [13, 21, 22, 25] | Pteridaceae | | | | | Adiantum raddianum C. Presl | Aerial parts | Cancer | — | 2 [37, 64] | Rubiaceae | | | | | Psychotria ipecacuanha (Brot.) Stokes | Whole plant | Cancer | In vitro and in vivo/emetine [97, 98] | 1 [23] | Sapindaceae | | | | | Cardiospermum oliveirae Ferrucci | Stem, leaf, flower, aerial parts | Tumors | — | 3 [13, 22, 36] | Serjania erecta Radlk. | Leaf, root | Cancer | — | 1 [61] | Simaroubaceae | | | | | Simaba suffruticosa Engl. | Root | Cancer | — | 1 [31] | Solanaceae | | | | | Capsicum frutescens L. | Leaf | Tumor | In vitro and in vivo/capsaicin [99, 100] | 1 [60] | Solanum americanum Mill. | Leaf | Myoma | In vitro and in vivo/glycoprotein and solanine [101, 102] | 1 [60] | Solanum paniculatum L. | Root, leaf, fruit | Internal tumors | — | 1 [87] | Tiliaceae | | | | | Luehea paniculata Mart. | Bark, leaf | Tumors | — | 1 [103] | Turneraceae | | | | | Turnera ulmifolia L. | Leaf, root, whole plant | Cancer | — | 1 [13] | Verbenaceae | | | | | Stachytarpheta cayennensis (Rich.) Vahl | Leaf | Cancer | — | 2 [37, 64] | Vitex triflora Vahl | Leaf, latex | Wart | — | 2 [22, 104] | Violaceae | | | | | Viola odorata L. | — | Cancer | In vitro and in vivo/cycloviolacin O2 [105] | 1 [64] | Vitaceae | | | | | Cissus coccinea (Baker) Mart. ex Planch. | Leaf, root | Wart | — | 1 [22] | Cissus decidua Lombardi | Stem, leaf, flower, aerial parts | Cancer | — | 3 [13, 22, 36] | Cissus duarteana Cambess. | Sap and root | Wart | — | 1 [103] | Cissus erosa Rich. | Aerial parts | Wart | — | 2 [21, 22] | Zingiberaceae | | | | | Costus spiralis (Jacq.) Roscoe | — | Prostate cancer | — | 1 [84] |
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