Table 3.

Morphological comparisons amongst Phlomoideshenryi, P.rotata and P.bracteosa.

Characters	P.henryi	P.rotata	P.bracteosa
Height	100–150 cm	2.5–10 cm	20–50 (–100) cm
Basal leaves	absent	rosette basal leaves	absent
Floral leaf shape	narrowly lanceolate	lanceolate, oblanceolate, or linear	Ovate to lanceolate
Floral leaf petiole length	5–35 mm	Lack obvious petiole	Upper floral leaves sessile, lower floral leaves with petiole 5–20 mm long
Floral bracts shape	Subulate	Needle-like to subulate	Linear to lanceolate, often with enlarged bracts
Branched trichomes	No branched trichomes	With branched trichomes on abaxial leaves	With branched trichomes on both sides of leaves and bracts