Pharmacognostical Studies of Zanthoxylum tetraspermum Wignt and Arn

The leaves of Zanthoxylam tetraspermum Wignt and Arn (Rutaceae) are reported to have a great medicinal value. The present study glimpses the pharmacognostical evaluation for the examination of morphological and microscopical characters, determination of leaf constants, ash values, and extractive values. Phytochemical screening including qualitative chemical examination was also carried out. This data reveals easy identification for the future investigators and an important aspect of drug studies.