Woody vines. Stems pale brown, 4-ribbed at first, becoming terete, smooth. Petiole 4-6 mm; leaf blade obovate to subspatulate, 4-7(-8) × 2-4 cm, thinly leathery, adaxially glossy, basal veins 3, inconspicuous on both surfaces, base broadly cuneate, decurrent to form petiole, apex rotund or obtuse. Male inflorescences umbellate, 3-5-flowered; peduncle 5-7 mm. Female inflorescences 1-3-flowered. Flowers unisexual (plants dioecious). Male flowers ca. 1 mm in diam.; pedicel 2.5-3 mm; bracteoles connate, forming involucre; perianth tube terete, lobes triangular, ca. 0.65 mm, apex incurved; stamen filaments ca. 0.3 mm with 1 tonguelike appendage behind each, cells rounded. Female flowers: pedicel 1.5-2 mm; perianth tube ovoid, lobes 5, triangular. Discs fleshy. Style ca. 0.75 mm; stigma scutiform, suborbicular, inconspicuously 5-lobed. Drupe deep red to black when mature, obovoid, ca. 10 mm, stipitate. Fl. Feb-Apr, fr. May-Jun.

Forests; ca. 1100 m. Hainan, S Yunnan [Cambodia, Indonesia, Laos, Malaysia, Vietnam].