Vines woody. Branches shallowly 8--10-grooved, densely yellowish pubescent. Leaves pinnate; petiole 4.5--9 cm; leaflet blades broadly ovate, ovate, or elliptic, (2.5--)4--11 × (2.5--)4--10 cm, papery, undivided or 3-lobed, abaxially densely or rarely sparsely pubescent, adaxially sparsely appressed pubescent, base subcordate to rounded, margin denticulate to dentate, apex acute to acuminate; basal veins abaxially ± prominent. Cymes axillary, usually many flowered, paniclelike; peduncle 2--20 cm; bracts foliaceous or simple, ovate to lanceolate. Flowers 1.5--2.5 cm in diam. Pedicel 1--3.5 cm, densely yellowish puberulous. Sepals 4, yellow, erect, lanceolate-oblong to narrowly oblong, 2--3 × 0.5--0.9 cm, abaxially densely appressed puberulous and apically sometimes slightly emarginate, adaxially sparsely pubescent apically from middle, apex acute to rounded and often recurved. Stamens ca. 1 cm; filaments pubescent; anthers narrowly oblong to linear, 2.6--5 mm, glabrous, apex obtuse. Ovaries puberulous. Style 1.3--1.5 cm, densely villous. Achenes rhombic-elliptic, 3--5 × 2--2.5 mm, pubescent; persistent style 3.5--5 cm, plumose. Fl. Aug--Dec, fr. Feb--Mar.
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A trailing shrub. The branches are hairy when young. The leaves have leaflets along the stalk. They are 3.5-8 cm long by 3-7 cm wide. They are oval and coarsely lobed. The flowers are large and cream. They have a scent. The flowers occur in many flowered panicles.
Warm broad-leaved to cool mixed forests, forest margins, generally growing on small trees and bushes, occasionally over rocks along the sides of streams at elevations of 460-3650 metres.
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A tropical and subtropical plant. In Nepal plants grow between 1000-3300 m altitude. They grow in moist, open places. In Sichuan and Yunnan.
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