Climber, early glabrescent, leafy stem 2-4 mm diam.; dioecious. Probract ovate-elliptic, ± flat, 5-10 mm long, glands absent. Tendrils 2-or 3-branched. Leaves: petiole 4-7 cm long; petiolules 0.2-0.5 cm long; blade greenish brown on drying, chartaceous-coriaceous, 3-or 5-foliolate, ± scabrous with minute pale dots, glands not obvious, cystoliths abundant, especially on stem, petioles and veins beneath, middle leaflet (obovate-)oblong, 9-12 by 4-6 cm, lateral leaflets smaller, sometimes 2-lobed and unequal-sided, base cuneate, margin entire; veins ± pinnate. Male raceme sparsely short brown hairy, glabrescent; peduncle 8 cm long; rachis not thickened, 2-8 cm long, 3 mm thick, 10-15-flowered; bracts obovate-rhomboid, 20-35 by 10-15 mm, margin entire or with few dents or slender lobes to 5 mm long, glands present. Male flowers (from immature bud): pedicel c. 1 mm long, caducous; receptacle-tube c. 7 mm long; sepals narrowly triangular, 15 mm long, 2-3 mm wide at base, margin entire (once with a narrow sidelobe); petals and synandrium not seen. Female flowers not known. Fruit ripening evenly orange-red, subglobose-ovoid, 4-8 by 3.5-6 cm, apex c. 3 mm beaked; exocarp ± leathery, or thinly woody; pericarp firm-carnose, dry pericarp 8-10 mm thick; pulp green-black; fruiting pedicel (incompletely known) 1-1.5 cm long, 3-4 mm thick. Seeds blackish brown, rather compressed, (narrowly) obovate, 11-16 by 6-10 by 3-5 mm, base and apex ± obtuse, margin absent, edge entire.