A Note On Comparative Pharmacognosy of Vanda Roxburghii And Acampe Papillosa (Fam. Orchidaceae)

Abstract

Vegetative parts of V. roxburghii which enters into composition of indigenous medicinal preparation for various diseases though morphologically similar to that of A. Papillosa can be distinguished from the latter by various anatomical characters and appearance of powdered form in long wave ultraviolet light. Marked differences are noted in epidermal characters of leaf, arrangement of vascular elements in aerial root and organisation of cells in leaf whole mount.