Root.

Ipomoea digitata Linn. of family convolvulaceae with the synonym elephant potato and  commonly known as Bilaikand (Hindi) is an extensive perennial climber, with large ovoid or elongated tuberous roots. Root part of the plant used to cure various aliments by the locals and tribes in different part of India. Pharmacognostical studies (microscopical studies in the transverse section, proximate analysis and phytochemical investigations) are carried out to facilitate proper identification and standardisation of the crude drug.