Woody climber with terete branches. Leaves ternate, in fascicles arising from the nodes. Leaflets 2.5-8 cm, shortly stalked or subsessile, ovate, acute, dentate, rarely subentire, sometimes incised near the base, shallowly trilobed, subglabrous or with scattered hairs on both surfaces, distinctly hairy along the nerves. Flowers solitary or 2-3-fascicled, white, or yellowish-white, on long silky pedicels. Sepals (2.2-) 2.5-4 cm long, broadly elliptic to obovate, obtuse, rarely ± acute, glabrous inside, usually hairy outside. Filaments glabrous from a flattened lanceolate base, subfiliform. Anthers linear, glabrous. Achenes glabrous on a hairy receptacle. Styles 18-28 (-30) mm, plumose-ciliate. Type: In the mountains of C. Nepal, Buchanan Hamilton s.n. (BM).

Fl. Per.: July-August.

Gilgit: A-7 Imit, Schmid 2060 (RAW), Ishkoman, Bowes Lyon 8171 (RAW), B-7 Hazara: Kagan, R.R. Stewart 6068 (RAW, Shogran, E. Nasir 3920 (KUH), Changla Gali, 29.5.37, R.R. Stewart s.n. (RAW), Nathia Gali, M. Qaiser and A. Ghafoor 2043 (KUH), Dunga Gali, R.R. & I.D. Stewart 1565 (RAW), Kashmir: B-8 Shardi, Schmid 1704 (RAW), Shardi-Doarian, May 1954, Schmid s.n. (KUH), Surkhala, Kishenganga vy., R.R. Stewart 17472, C-7 Rawalpindi & Islamabad: Patriata, Y. Nasir 10236 (RAW), Murree hills, E. Nasir 3019 (RAW), id., Sultanul Abedin 2831 (KUH), Murree hills, R.R. Stewart 5208 (RAW).

Distribution: Afghanistan, Himalaya, Assam east to China, Taiwan.

The species is very variable in leaf-size, margin of leaflets, colour and size of flowers. Found from 2000-3000 m.