Pharmacognostical and phytochemical investifations on the tuberous roots of hemidesmus indicus (linn.) R.br. (Asclepiadaceae).

The macroscopic and microscopic characters, physical constant values, extractive values, ash values the behaviour of the powerdered drug on treatment with different chemical reagents, microchemical ad histochemical analyses were conducted to characterize some pharmacognostical parameters of Hemidesmus indicus (Linn) R,Br. (Asclepiadaceae).