Vines climbing. Stem and branches usually woody, sparsely prickly. Petiole 2--3.5 cm, broadly winged for 1/3--1/2 its length; wings 0.5--2 cm wide, basally deeply clasping node; abscission zone at middle or distal; tendrils commonly developed. Leaf blade ovate to elliptic, 9--20 × 4.5--15 cm, leathery. Inflorescence a raceme of 2--4(--7) umbels, 4--10 cm, basally prophyllate; umbels of both sexes not grouped, 10--30-flowered, base thickened, subglobose. Male flowers: tepals yellowish green, tinged pink, 5--6 × 0.5--1 mm; stamens 6--10 mm; filaments basally connate, forming a column ca. 2 mm. Female flowers: inner tepals very narrow; staminodes absent. Berries dark red, globose, ca. 8 mm in diam. Fl. Mar--Jun, fr. Jul--Oct.
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