Climbers mostly glabrous, dioecious. Stems ridged, ± tuberculate. Petiole 1.2-2 cm; prophyll nearly as long as petiole; leaf blade elliptic, long elliptic, or ovate-oblong, 10-19 × 3.5-9 cm, papery, glaucous when dry, finely glandular, base gradually tapered sometimes rounded in leaf blades toward base of stem, symmetric or nearly so, apex acute to acuminate; veins 7, apical pair arising 3-6 cm above base, usually alternate, others ± basal; reticulate veins conspicuous. Spikes leaf-opposed. Male spikes 6-7 cm × ca. 2 mm; peduncle ca. 2 cm; bracts suborbicular to obovate, base tapered, ca. 0.8 mm wide, peltate, stalk short, pubescent. Stamens 2; filaments short; anthers reniform. Female spikes 6-8 cm, to 14 cm in fruit; peduncle mostly 3-4 cm; rachis and bracts as in male spikes. Ovary globose, immersed in rachis; stigmas 4 or 5, reflexed, linear, densely pubescent. Drupe globose, ca. 5 mm in diam., partly connate to rachis. Fl. Apr-Jun.
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