From: Pharmacognostic standardisation of the leaves of Costus afer Ker Gawl. (Zingiberaceae) and Palisota hirsuta (Thunb.) K. Schum. (Commelinaceae)
Characters
Costus afer
Palisota hirsute
Colour: Adaxial
Dark green
Colour: Abaxial
Light green
Smell
Leafy
Taste
Bland
Surface
Glabrous
Pubescent
Touch
Soft to Papery
Papery