Climber, early glabrescent, leafy stem 1-1.5 mm diam.; dioecious. Probract absent(?). Tendrils 2-branched. Leaves: petiole 2-4.5 cm long; blade green on drying, membranous, simple, unlobed, in outline ovate, 4.5-12 by 2.5-8 cm, scabrous above, but at apex minutely hairy, glands few, along the margin of the basal sinus, c. 0.5 mm diam. or less, cystoliths obvious, margin sparsely minutely dentate; veins 3(-5), curved. Male raceme glabrous; peduncle 3-5.5 cm long, c. 1 mm thick; rachis slender, not thickened, 3.5-6 cm long, 5-12-flowered; bracts narrowly or broadly (ob)ovate, 5-13 by 2-10 mm, margin shallowly lobed or dentate, glands few, c. 0.5 mm diameter. Male flowers: in the raceme and one solitary at base of the raceme; pedicel in raceme 2-7 mm long, persistent or caducous, when solitary 40-50 mm long, withering into a straw-like persistent appendage; receptacle-tube c. 40 mm long, at throat c. 6 mm wide; sepals narrowly triangular or linear, c. 10 mm long, entire or few-dentate at base; petals obovate-rhomboid, c. 10 mm long, threads 10-20 mm long; synandrium c. 6 mm long, filaments short. Female flowers, fruit and seeds not known.
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