Phylogeny of Ten Kenyan Plectranthus Species in the Coleus Clade Inferred from Leaf Micromorphology, Rbcl and MatK Genes

Table 4

Leaf micromorphology character states matrix of the ten Plectranthus species.

Plectranthus species	Leaf micromorphology characters from the ten Plectranthus species
	Succulent leaf	Stomata distribution	Stomata type	Epidermal Cell type	Trichome type	Glandular Trichomes	Nature of mesophyll	Palisade layer	Stomata no. (adaxial)	Stomata no. (abaxial)
P. caninus	1.00	3.00	1.00	1.00	2.00	1.00	1.00	1.00	2.00	3.00	Character state scores/values
P. aegyptiacus	1.00	3.00	1.00	2.00	2.00	1.00	2.00	2.00	3.00	4.00
P. edulis	2.00	3.00	1.00	1.00	2.00	2.00	1.00	1.00	3.00	4.00
P. seudomarruboides	1.00	3.00	1.00	2.00	2.00	1.00	2.00	2.00	3.00	3.00
P. barbatus	1.00	3.00	1.00	1.00	1.00 & 3.00	1.00	1.00	1.00	3.00	4.00
P. lanuginosus	1.00	3.00	1.00	1.00	1.00 & 3.00	1.00	2.00	1.00	4.00	5.00
P. otostegioides	1.00	3.00	1.00	2.00	2.00	1.00	2.00	2.00	2.00	2.00
P. montanous	1.00	3.00	1.00	2.00	2.00	1.00	2.00	2.00	2.00	2.00
P. ornatus	1.00	3.00	1.00	1.00	1.00 & 3.00	3.00	1.00	1.00	2.00	3.00
P. amboinicus	1.00	3.00	1.00	2.00	2.00	2.00	2.00	2.00	3.00	4.00

Succulent leaf: 1 (present), 2 (absent), stomata occurrence: 1 (adaxial surface), 2 (Abaxial surface), and 3 (both surfaces), stomata type: 1 (anomocytic), epidermal cell type: 1 (sinuous), 2 (polygonal), trichome type: 1 (long-stalked), 2 (short-stalked), and 3 (capitate), glandulartrichomes: 1 (present), 2 (absent), and 3 (both glandular and nonglandular trichomes present), mesophyll: 1 (homogenous), 2 (dorsiventral), palisade layer: 1 (normal long columnar cells), 2 (inconspicuous), stomata number on the adaxial surface: 1 (<20 stomata), 2 (20–30 stomata), 3 (30–40 stomata), 4 (40–50 stomata), and 5 (>50 stomata), stomata number on the abaxial surface: 1 (<20 stomata), 2 (20–30 stomata), 3 (30–40 stomata), 4 (40–50 stomata), and 5 (>50 stomata).