Pharmacognostic Studies on Leaf of Tamilnadia uliginosa (Retz.) Tirveng. & Sastre (Rubiaceae)

Tamilnadia uliginosa (Rubiaceae), is commonly known as ‘divine jasmine. Its leaves are simple, obovate, wrinkled, shiny and pubescent. T. uliginosa has been widely used for its medicinal and pharmaceutical properties throughout the world. The leaves are also used as the remedy for various diseases. The detailed pharmacognostic study of T.uliginosa was carried out because of its potent medicinal activity and rare occurrence. The present investigation deals with the various pharmacognostic studies on the leaves of T.uliginosa which include morphological and microscopical characters and powder microscopy analysis. The result of the study provides data for the proper identification of the plant.