Climber, 5-15 m long, glabrescent, at first with few hairs, leafy stem 2-3 mm diam.; dioecious. Probract narrowly elliptic, 5-7 mm long, acute, subentire, glands present. Tendrils 2-branched. Leaves: petiole 3.5-8 cm long; blade (green-)brown on drying, membranous, simple, unlobed, in outline subcircular or broadly ovate, 6-21 by 6-18 cm, faintly scabrous, glands few or several, scattered at the blade base and towards the midrib, c. 0.5 mm diam., cystoliths obvious on blade and veins, margin entire or sparsely minutely dentate. Male raceme at first minutely grey-brown hairy, glabrescent; peduncle 3-6.5 cm long, 1.5 mm thick; rachis not thickened, 1-4 cm long, 5-10-flowered; bracts subpersistent, (narrowly) obovate, (3-)7-10 mm long, margin entire or shallowly few-lobed, glands present. Male flowers in the raceme and sometimes one solitary flower co-axillary; pedicel 5-15 mm long, (in solitary flower 50-80 mm long), persistent; receptacle-tube 15-25 mm long, at throat c. 5 mm wide; sepals narrowly triangular, c. 4 mm long, entire; petals obovate-rhomboid, c. 10 mm long, threads c. 5 mm long; synandrium 3-4 mm long, filaments glabrous, c. 1.5 mm long. Female flowers: resembling male, pedicel 10-30 mm long; ovary minutely hairy, c. 10 by 3 mm, style c. 13 mm long, stigma c. 2 mm long. Fruit green, pale yellow striped and speckled, ripening evenly(?) red, (narrowly) ovoid, 8-10 by 5-6 cm, apex c. 3 mm beaked; exocarp thick-leathery, smooth; pericarp firm-carnose, dry pericarp c. 10 mm thick; pulp not known; fruiting pedicel 1-3.2 cm long, 2-3 mm thick. Seeds pale brown, compressed, subcircular or broadly elliptic, c. 20 by 15 by 4 mm, base and apex broadly rounded, margin faint, inside hollow, chambered, edge entire.
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