Climber, 4-7 m long, glabrous, leafy stem 2-4 mm diam.; dioecious. Probract (narrowly) obovate, 4-7 by 2-4 mm, dentate or entire, glands present. Tendrils (unbranched) or 2-branched. Leaves: petiole (1-)2-3(-5) cm long; blade green on drying, chartaceous or coriaceous, simple, unlobed, in outline (narrowly) ovate or hastate, (6-)9-20 by 9(-11) cm, scabrous above, glands absent or few at the leaf base, 0.5 mm diam., cystoliths obvious or not, base broadly rounded, or truncate or hastate, margin spiny dentate, especially towards the base; veins 3(-5), basal, and few from the midrib, curved, veins raised beneath. Male raceme with a solitary flower co-axillary, glabrous (corolla bud minutely hairy); peduncle 1.5-4 cm long, 1-2 mm thick, together with the long pedicel of the solitary flower withering into straw-like appendages, 2-4 mm thick; rachis somewhat zigzag, not thickened, 3-4 cm long, 1 mm thick, 5-8-flowered; bracts obovate-rhomboid or narrowly elliptic, 8-13 by 5-8 mm, margin sharply toothed or irregularly few-lobed, glands present. Male flowers: pedicel 3-10 mm long, caducous; receptacle-tube c. 50 mm long, at throat 7(-10) mm wide; sepals narrowly triangular or narrowly elliptic, 3-10 mm long, 1-3 mm wide at base, entire; petals obovate, 15-20 mm long, threads short, c. 5 mm long; synandrium c. 8 mm long, filaments not seen. Female flowers not known. Fruit green, paler striped, ripening orange-red, ovoid or ellipsoid, 6.5-20 by 4.5-7.5 cm; exocarp leathery or woody, smooth; pericarp firm-carnose, dry pericarp 10-13 mm thick; pulp red; fruiting pedicel c. 2 cm long, 3-5 mm thick. Seeds blackish, compressed, (narrowly) elliptic, 16-18 by 8-10 by 3-4 mm, base and apex subtruncate, sometimes ± notched or undulate, margin broad, c. 3 mm wide, edge entire.
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A climber. It can be 7 m long. The leaves are simple and do not have lobes. The leaf stalk is 2-3 cm long. The leaves are 9-20 cm long by 9-11 cm wide. There can be spiny teeth along the edge. The leaves are a yellowish green and lighter underneath. The fruit are oval and 7=2-cm long by 5-8 cm wide. They are green with reddish stripes along them. The fruit usually have lots of seeds. The pulp is red and the seeds are brown to black.