Climbers glabrous throughout, dioecious. Stems rooting at clearly enlarged nodes, ridged. Petiole ca. 1-3(-4) cm, many striated, very shortly pubescent, sheathed at base only; leaf blade cordate-orbicular, 6-10(-15) × 5-8(-15) cm, papery to ± leathery, both surfaces glaucous and glabrous, base cordate, sometimes peltate or subpeltate, apex cuspidate, mucro ca. 15 × 3-4 mm; veins 5, slender, prominent on both surfaces. Spikes leaf-opposed. Male spikes white, ascending, 5-8 cm; peduncle 0.6-1.5 cm. Female spikes 1-2.5 cm; peduncle ca. 1 cm. Stigmas 3 or 4. Drupe red, globose, ca. 2 mm in diam. Fl. Aug.
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