Climbing shrubs; Branches, petioles, inflorescences and leaves are sparsely curved, with small spines on the lower midvein; Branches have yellow fluff when they are young and gradually fall off. Palmately compound leaves usually have 5 leaflets, and sometimes the upper part has 3 leaflets. The lobules are elliptic, obovate-elliptic or elliptic-lanceolate, with a length of 5- 10( 15) cm and a width of 2-3.5(5) cm. The terminal leaflet is slightly wider than the lateral leaflet, with short and sharp tip, wedge-shaped base, hairless top and dense brownish yellow bottom. Petiole 4-5 cm long, villous when young, falling off when old, petiole 3-6 mm long; Stipules are wide, 5-7 mm long, fan-shaped, palmately divided, and lobes lanceolate. Flowers are terminal panicles or axillary racemes, and several flowers are often clustered in leaf axils; Total pedicels, pedicels and calyx are densely covered with yellow fluff; Pedicel length 4- 10 mm; Bracts palmate or comb-toothed, caducous; Flower diameter 8- 12 mm; Calyx campanulate, unarmed; Sepals ovoid, apex acuminate, outer sepals 3-lobed at apex; Petals suborbicular, white, shorter than sepals; Stamens are numerous, filaments subulate, glabrous, shorter than sepals and petals; The pistil is about. 30-40, glabrous, style longer than sepals. The fruit is spherical, red when young and black when mature. The flowering period is from March to May, and the fruiting period is from July to August.