Liana. Twigs thinly tomentose, glabrescent. Leaves ovate or elliptic to oblong, 7-17 by 3-8 cm, chartaceous, glabrous to pubescent on the nerves beneath, base broadly cuneate to subcordate, attenuate, apex tapering to abruptly acuminate, acumen short, deltoid, acute; 5-plinerved, inner nerves diverging at 0.5-1.25 cm above the base; petiole 0.5-1 cm. Inflorescences terminal and in the upper leaf-axils, 5-20(-30) cm long, laxly branched, many-flowered, thinly tomentose, peduncle up to 10 cm long. Calyx 0.75-1 mm, sepals elliptic or ovate, acute to blunt, outside pubescent to glabrous, inside thinly pubescent. Corolla 2(-4) mm, less than halfway connate, outside fairly densely hirsute to subglabrous, inside partly or nearly completely (the base always excepted) woolly or hirsute. Stamens inserted in the mouth, filaments up to 0.75 mm, glabrous or sparsely pubescent, anthers ovate, 0.5-0.75 mm, apiculate and slightly bearded. Pistil 1.5-4 mm, glabrous to hirsute. Fruits several, ellipsoid to globular, 1.75-2.25 cm, the wall thin and hard. Seeds 1-4, elliptic, 15 by 12.5 by 3.5 mm, woolly-tomentose.
Apparently indifferent to climatic seasons, in and along rain-, beach-, and teak-forests; up to 600 m. Fl. Jan., June-July, fr. Aug., Nov.