Climber, 15-30 m long, thinly grey-brown hairy, early glabrescent, leafy stem 2-4 mm diam.; monoecious (always?). Probract chartaceous, (narrowly) elliptic, 3-4 by c. 2 mm, with few glands. Tendrils 2-6-branched. Leaves: petiole 5-8 cm long; blade (dark) brown on drying, membranous, finely bullate above, simple, shallowly 3-lobed to 1/3 deep or unlobed, in outline ovate, 11-15 by 6-11 cm, glands few, scattered, 0.5 mm diam., base cordate, sometimes cordate-hastate, margin entire; veins 5(-7), arching or straight. Male raceme thinly brown hairy; peduncle 3-6 cm long, c. 3 mm thick; rachis thickened, 12-15 cm long, 5-6 mm thick, 5-20-flowered or more; bracts subpersistent, withering, ± obovate, 25-30 by c. 20 mm, apex coarsely irregularly incised, glands absent. Male flowers: pedicel 2 mm long, caducous; receptacle-tube (30-)40 mm long, at throat 10 mm wide; sepals narrowly triangular, 10(-12) mm long, 4-5 mm wide at base, acute, entire; petals ± obovate, c. 15 mm long, with slender threads; synandrium and filaments not seen. Female flowers: pedicel c. 20 mm long; ovary glabrous, ellipsoid, c. 8 mm long; receptacle-tube slender; sepals and petals as in male. Fruit yellow-green, finely paler speckled, ripening evenly red, subglobose, 10-13 cm long; exocarp woody, nearly 1 mm thick, smooth; pericarp firm-carnose, creamy, dry pericarp c. 15 mm thick; pulp green-black, bitter; fruiting pedicel 3.5-4.5 cm long, 15-20 mm thick. Seeds brown or blackish, compressed, (narrowly) elliptic, 13-18 by 7-9 by 3-4 mm, margin absent, edge entire.
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