Abstarct
The present study reveals in detail analysis on Macro and Microscopical characters of  the leaves of Rivea hypocrateriformis (Desr.) Choisy. with the scope of Ethnic importance. This plant is used by the chenchu tribes of Kadapa district as a single drug remedy to treat rheumatism. The plant belongs to Convolvulaceae and the identification of the plant is very difficult, because of the resemblance with other species of same family. In the present work the leaf part of the plant was subjected to various pharmacognostical studies like, powder microscopy, sectioning, maceration and florasense studies (Table No-1) to identify authentically. In the microscopical studies, the different cell structures like Calcium oxalate crystals, trichomes, elongated fibers and different arrangements like, xylem vessel with spiral thickenings, reddish tannin content in the parenchymatous cells were noticed.
