Climber 5-7 m long, glabrous (except ovary), cystoliths not obvious; monoecious. Leaves: petiole 1.5-3 cm long; blade unlobed, (broadly) ovate, 9-13 by 4-7.5 cm, glabrous, base ± rounded or truncate or faintly hastate, margin (sub)entire, apex 1-1.5 cm acuminate. Male raceme: peduncle 0.2-0.5 cm long, co-axillary with female inflorescence; raceme spike-like, 1(-1.5) cm long, 10-20-flowered, flowers ± densely set. Male flowers: pedicel 1-1.5 mm long, persistent; mature flowers not known. Female inflorescence an axillary (lateral) or terminal few-branched short-shoot 10-30 mm long, the branches 5-10 mm long, each with 5(-10) flowers of different stages of development in loose clusters; bracts subulate, c. 0.5 mm long, caducous. Female flowers: pedicel 1-2 mm long; ovary ovoid, c. 5.5 mm by 3 mm, base rounded, gradually narrowed to the apex in upper half, (sparsely) fine-hairy, hairs 0.2 mm long of many serial cells, 2-loculed, each locule with 1 ovule; receptacle-tube 2(-2.5) mm across, inside glabrous; sepals (long) triangular, 0.5-1 mm long; petals (ob)ovate, c. 3 by (1.5-)2 mm, apex broadly rounded, both surfaces papillose hairy, hairs 0.1 mm long, style c. 3 mm long, stigma 2-lobed, 2-2.5 mm wide, lobes ± lacerate, papillose; staminodes minute, fleshy, 0.2-0.3 mm long, two paired and one solitary. Fruit ripening glossy orange-red, drying glossy, (narrowly) ovoid, c. 1.5 by 1-1.2 cm, glabrescent; fruiting pedicel c. 0.2 cm long. Seeds 1 per fruit, (pale) brown, globose, c. 7 mm across, faintly low-margined, smooth.
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