Table 2.

Comparative morphological characters amongst Phlomoidesbomiensis, P.longidentata and their related species.

	Height	Basal leaves	Floral leaf petiole length	Flower colour	Trichome colour of upper corolla lip	Apical part of calyx tube
P.rotata	2.5–10 cm	+	Lack obvious petiole	Purple or white	White	Broadly triangular
P.longidentata	50–100 cm	–	5–100 mm	Light purple to pink	Black or brown	Emarginate
P.breviflora	60–150 cm	–	30–130 mm	Purple	Black or brown	Subtruncate or broadly triangular
P.bomiensis	50–180 cm	–	5–70 mm	Purple	Black or brown	Subtruncate or slightly emarginate
P.tibetica	10–30 (50) cm	+	0 (5) mm	Purple to light purple	Black or brown	Subtruncate or slightly emarginate
P.macrophylla	100–200 cm	–	1–10 (50) mm	White to light pink	Black or brown	Emarginate
P.nyalamensis	100–200 cm	–	1–10 (50) mm	Purple	Black or brown	Emarginate
P.nana	30–50 cm	+	2–5 (10) mm	White to light pink	Black or brown	Emarginate
P.milingensis	15–50 cm	+	2–10 mm	Purple	Black or brown	Subtruncate or slightly emarginate
P.henryi	100–150 cm	–	5–35 mm	Light purple to pink	White	Truncate