Perennial climber. Stem twining, setose; stipules 10-12 mm long, free lateral, setose. Leaf pinnately trifoliolate, petiole 5-30 cm long, pilose; stipels 8 mm long, setose, petiolule 5-8 mm long, pilose, lamina 7.5-21 cm long, 7.5-20.0 cm broad, broadly ovate to trilobed, tip acute, pubescent on both sides. Inflorescence an axillary, peduncled raceme, 15-32 cm long, velutinous, peduncle 2-3 cm long; bracts c. 3 mm long, pilose to setose; pedicel c. 7 mm long, pilose. Calyx 10-14 mm long, setose, teeth unequal, longest 7-12 mm long. Corolla purple with yellow spot at the base of the standard. Vexillum c. 15-18 cm long. Fruit c. 2.5-6.0 cm long, 7-8 mm broad, hispid, hairs brown.

Antipyretic, anticonvulsive, spasmolytic, antihepatotoxic, anti-inflammatory, antimicrobial and antihypertensive (root)

Flora of Pakistan
WHO/WPRO-Medicinal plants in the Republic of Korea

The root is used to treat fever, headache, inability to sweat, stiff and painful neck and back, measles with incomplete rash eruption and early-stage measles with fever and chills and diarrhea.

Jing-Nuan Wu. An Illustrated Chinese Materia Medica. P: 534, Oxford University Press, Inc.2005.