DIOSCOREA HISPIDA Dennstedt

Dioscorea daemona Roxb., D. hirsuta Dennst., D. triphylla L.
Family: Dioscoreaceae

Description of the plant:
A tuberous twiner; tubers small, polymorphic, stem twining to the left, clothed with some prickles, bulbils small, globose, warty. Leaves tri-foliolate, leaflets 14-24 cm long, elliptic-oblong, lateral ones obliquely elliptic, with 3-nerved base, glabrous or hairy above, sparsely hairy, especially on the veins beneath. Male flowers in dense spike, arranged in clusters along the rachis of a raceme. Spikes bearing female flowers, single or in pairs. Fruit a refluxed capsule, oblong in outline, 4-5 cm long, winged.


DIOSCOREA HISPIDA
DIOSCOREA HISPIDA Dennstedt


Using information:
Tubers are poisonous; ethnic people use the tubers for ulcer to kill worms in wounds and as fish poison; also for hunting purposes. Different plant parts are used in whitlow, sores, boils and bites of rabbit, jackel or dog (Yusuf et al. 2009).

Chemical constituents:
Tubers contain alkaloid dioscorine & 4-epidioscorine and a neuromuscular blocking agent (Asolkar et al.,1992) and up to 81.89% carbohydrate (Anon 1952).

Distribution:
Forests of Chittagong and Chittagong Hill Tracts.