Common Name   :Siali / Dari

Plant Parts Used  :Tubers

Description         :

A large perennial climber with very large tuberous rots, distributed nearly throughout India, except in very humid or very arid regions, and ascending up to 1,200 m. Stems woody, up to 12 cm. in diam, leaves trifoliolate; flowers blue or purplish blue, in racemes 15 - 30 cm. long; pods flat, 5 - 7cm. long; densely closed with long, silky, bristly brown hairs; seeds 3 - 6. The tubers are large, 30 - 60 cm. long and 25 - 30 cm. broad, weighing up to 35 kg.
Characteristics and Constituents

The leaves of the plant have certain medicinal properties.They are astringent and are used as a prophylactic against skin diseases. A decoction of leaves is used as gargle in sore throat. The paste of leaves is largely used in Indian homes in headache, burning sensation in feet, etc. The leaves have also been shown to have some action against tubercular and other bacteria, and in typhoid and haemorrhagia. The plant has not, however, so far been put to much use in this manner. The bark and seeds of the plant are also reported to be used in Ayurvedic and Unani medicine.

Actions and Uses :

The roots are said to be used in medicine as a demulcent and refrigent in fevers, as cataplasm for swelling of joints, and as lactagogue.

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