Herbaceous and climbing vines, glabrous. Stems slender, with roots on lower part, rarely branched; branches green, longitudinally striate. Petiole slender and straight, shorter than leaf blade; leaf blade subpeltate, insertion 0.1-0.2 cm from margin, ovate-triangular or broadly triangular to subtriangular, 3.5-10 × 2.5-5.5 cm, thinly leathery, often dark green when dry, base slightly concave, rarely conspicuously cordate or slightly concave, apex often conspicuously contracted, caudate-acuminate, or acutely acuminate, slightly obtuse, palmately 5-veined, fine reticulation slightly raised on both surfaces. Male and female inflorescences similar, simple umbelliform cymes, sparse and few flowered; peduncle filamentous, 1.5-6.5 cm; cymelets 3-5, fascicled; bracteole narrowly lanceolate; flowers purple. Male flowers: sepals 6, outer whorl ovate, inner whorl sublanceolate, 1.2-1.4 mm, apex caudate; petals 3, broadly cuneate, ca. 0.5 mm. Female flowers: sepals 3, broadly ovate, ca. 1.5 mm, caudate; petals 3, oblate to broadly cuneate, ca. 0.6 mm; stigma 3-lobed. Drupes red, obovate-globose; endocarp 4.5-5 × ca. 3 mm; condyle not perforate. Fl. Nov.
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