Climber. Branchlets weakly angled, sparsely lenticellate or not, glabrous, sparsely or densely and minutely puberulent, sometimes glabrescent. Leaves in whorls of 3; Inflorescence axillary or terminal, a simple unbranched pleiochasium or with 1 or 2 internodes and unbranched side branches, glabrous, rarely to densely puberulent, 1.6-6 cm long; Sepals not fleshy, ovate or narrowly ovate, 1.3-3.4 by 0.7-1.4 mm, 1.2-2.8 times as long as wide, apex acute or acuminate, ciliate or not ciliate, glabrous to densely puberulent or puberulent on tips only. Stamens inserted at 4.9-7.1 mm from corolla base which is 0.63-0.78 of tube length; Ovaries 0.6-1.1 mm high, pubescent all over or pubescent around base only; Fruit black or purple, stalks 3.4-15 mm long, with 1 article, glabrous, articles fleshy or with thin flesh, 13-28.2 by 7.3-15.7 mm, ellipsoid or cylindrical, symmetrical or asymmetrical, apex rounded or obtuse. Seeds ovoid or elliptic, 6.6-21 by 5-14 by 4.6-13 mm.
Asia-Tropical: Borneo present; Malaya (Peninsular Malaysia present); Sumatera (Sumatera present)
Malesia: Sumatra, Peninsular Malaysia, Borneo.