Climber to 10 m long, minutely grey-brown hairy, late glabrescent, leafy stem 4-9 mm diam.; dioecious. Probract (narrowly) elliptic, 3-4 mm long, subentire, with few small glands. Tendrils 2-or 3-branched. Leaves: petiole 4-9 cm long; blade greenish on drying, membranous or chartaceous, simple, deeply 3-5(-7)-lobed to 3/4-4/5 deep, in outline circular, 14-25 by 15-22 cm, glands several, scattered or towards the base only, 1-2 mm diam., cystoliths absent, margin (sub)entire; veins 5(-7), straight. Male raceme occasionally with a solitary male flower co-axillary, minutely brown hairy; peduncle 9-13(-18) cm long, 3-5 mm thick; rachis thickened, 5-12 cm long, 5-10 mm thick, with coarse bract-scars, 10-flowered or more; bracts persistent, broadly obovate-rhomboid, 43-50 by 15-22 mm, margin entire or somewhat shallowly lobed at apex, with few obscure glands. Male flowers: pedicel c. 10 mm long or less, caducous, in solitary flowers to 100 mm long; receptacle-tube c. 45 mm long, at throat 7-10 mm wide; sepals long-triangular, 8-12 mm long, 2-3 mm wide at base, entire; petals c. 12 mm long (excluding threads); synandrium c. 10 mm long, filaments not seen. Female flowers: pedicel 15-20 mm long; ovary short brown hairy, on drying at apex with a cap-shaped thickening originating from the base of the receptacle-tube, (narrowly) ellipsoid, c. 15 by 7 mm; perianth as in male. Fruit green with pale yellow markings, ripening evenly(?) red, ellipsoid, 10-18 by 8-9 cm; exocarp woody, c. 0.5 mm thick, smooth; pericarp firm-carnose, dry pericarp 15-20 mm thick; pulp green-black; fruiting pedicel 4-7 cm long, 10-20 mm thick. Seeds dark brown, compressed, obovate or elliptic, (8-)9-11(-25) by (5-)6-9 by 2 mm, base and apex rounded, margin absent, edge entire.
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