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

Table 5

Gross morphology character state matrix of the ten Plectranthus species.

Plectranthus species	Gross morphological characters from the ten Plectranthus species
	Succulent leaf	Height	Inflorescence	Cymes	Pedicel length	Calyx length	Calyx nature	Corolla length	Corolla colour	Leaf apex	Bracts	Nutlets	Staminal filaments	Leaf blade	Petiole	Stems	Stems colour	Eglandular hairs	Stems shape
P. barbatus	1.00	4.00	2.00	2.00	3.00	3.00	1.00	3.00	4.00	1.00	1.00	2.00	1.00	1.00	3.00	1.00	1.00	1.00	1.00	Character state scores/values
P. caninus	1.00	2.00	1.00	1.00	1.00	3.00	1.00	2.00	1.00	1.00	2.00	3.00	1.00	1.00	1.00	2.00	3.00	2.00	1.00
P. montanus	1.00	1.00	3.00	3.00	1.00	1.00	2.00	1.00	1.00	1.00	3.00	1.00	2.00	1.00	4.00	1.00	2.00	3.00	1.00
P. otostegioides	1.00	2.00	1.00	1.00	3.00	3.00	1.00	2.00	2.00	1.00	4.00	1.00	1.00	1.00	1.00	2.00	3.00	2.00	1.00
P. lanuginosus	1.00	3.00	2.00	1.00	2.00	2.00	3.00	1.00	3.00	2.00	1.00	2.00	1.00	2.00	3.00	2.00	3.00	2.00	1.00
P. pseudomarrubioides	1.00	3.00	2.00	2.00	1.00	1.00	3.00	2.00	4.00	2.00	5.00	1.00	2.00	3.00	2.00	1.00	1.00	3.00	1.00
P. edulis	2.00	4.00	1.00	1.00	2.00	2.00	1.00	1.00	4.00	1.00	1.00	2.00	1.00	1.00	2.00	2.00	3.00	4.00	1.00
P. ornatus	1.00	1.00	1.00	1.00	1.00	1.00	1.00	3.00	4.00	1.00	2.00	3.00	1.00	1.00	1.00	2.00	3.00	1.00	1.00
P. aegyptiacus	1.00	1.00	3.00	3.00	3.00	2.00	3.00	2.00	2.00	3.00	2.00	1.00	1.00	2.00	2.00	2.00	1.00	1.00	1.00
P. amboinicus	1.00	2.00	2.00	2.00	1.00	2.00	4.00	2.00	2.00	1.00	1.00	1.00	1.00	1.00	2.00	1.00	1.00	3.00	1.00

Succulent leaf: 1 (present), 2 (absent), height: 1 (<0.3 m), 2 (0.3–0.5 m), 3 (0.5–1 m), and 4 (>1 m), inflorescence: 1 (with <10 flowered verticils), 2 (with 10–20 flowered verticils), and 3 (with >20 flowered verticils), cymes: 1 (<5 flowered), 2 (5–10 flowered), and 3 (>10 flowered), pedicel length: 1 (<3 mm long), 2 (3–6 mm long), and 3 (>6 mm long), calyx length: 1 (<2 mm long), 2 (2–4 mm long), and 3 (>4 mm long), nature of calyx: 1 (pubescent), 2 (tomentose), 3 (villose), and 4 (pubescent to villose), corolla length: 1 (<10 mm long), 2 (10–20 mm long), and 3 (>30 mm long), corolla colour: 1 (blue to purple with white marks), 2 (white with white marks), 3 (pale blue to lilac), and 4 (blue with purple marks), leaf apex: 1 (obtuse to rounded), 2 (obtuse), and 3 (acute to rounded), bracts: 1 (ovate, apiculate), 2 (ovate), 3 (ovate to elliptic), 4 (obovate to elliptic), and 5 (broadly elliptic), nutlets: 1 (brown with reddish dots), 2 (brown with dark dots), and 3 (dark grey with dark dots), staminal filaments: 1 (fused), 2 (free), Leaf blade: 1 (elliptic, ovate, obovate), 2 (triangular), and 3 (trullate, rhombic), petiole length: 1 (<10 mm long), 2 (10–20 mm long), 3 (20–50 mm long), and 4 (epetiolate/sessile), stem: 1 (succulent), 2 (nonsucculent/soft wooded), stem colour: 1 (sometimes purplish above), 2 (pinkish to dark red), and 3 (unknown), eglandular hairs: 1 (antrose and patent), 2 (patent), 3 (retrose and patent), and 4 (unknown), stem shape: 1 (rounded and quadrangular).