Climber to 6 m long, at first with short hairs, glabrescent, leafy stem 2-4 mm diam.; dioecious. Probract ± ovate, 5 mm long, coarsely dentate, glands absent. Tendrils 2-branched. Leaves: petiole 2.5-6 cm long; blade green on drying, subcoriaceous, simple, unlobed, in outline (narrowly) ovate, 9-12 by 6.5-10.5 cm, glands several, at the base towards the insertion of the petiole, 0.5 mm diam., cystoliths present, base cordate, margin shallowly spiny dentate; veins 5, curved. Male raceme glabrescent; peduncle 3-6 cm long, 2(-3) mm thick; rachis stout, thickened, with thickened bract-scars, 11-13 cm long, 3-5 mm thick, to 30-flowered; bracts distinctly veined, (narrowly) obovate, 30-45 by 15-20 mm, margin entire, sometimes shallowly lobed, glands scattered in upper half, 0.5-1 mm diameter. Male flowers: pedicel 2 mm long, caducous; receptacle-tube c. 27 mm long, at throat 6-8 mm wide; sepals, petals and stamens not known. Female flowers not known. Fruit ripening green, (narrowly) ellipsoid, 6-8 by c. 4.5 cm, apex c. 5 mm beaked; exocarp papery; pericarp possibly carnose, drying thin and firm, irregularly ornamented (see note 2), pulp possibly creamy, not red; fruiting pedicel c. 3 cm long, 3 mm thick, finely brown hairy. Seeds brown, densely packed, compressed, (narrowly) elliptic, 10-13 by (4-)5-6 by c. 1 mm, apex shallowly notched, margin faint, edge entire.
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