Herbs, deciduous. Tubers ca. 1.8 cm in diam. Stems 18-25 cm tall, glabrous or subglabrous. Leaves basal and cauline; stipules caducous; petiole 3-9 cm, glabrous or subglabrous; blade subreniform, nearly symmetric, 2.5-5.5 × 4-8.5 cm, both surfaces subglabrous, venation palmate, 5-7-veined, base cordate, margin remotely denticulate, apex rounded or acute. Inflorescences terminal, glabrous; peduncle 9-13 cm; bracts caducous. Staminate flowers: pedicel 1-1.3 cm; tepals 4, outer 2 oblong or broadly ovate, ca. 1.2 × 1 cm, inner 2 obovate, ca. 7 × 5 mm; stamens numerous; filaments free; anthers subglobose, ca. 0.8 mm. Pistillate flowers: tepals 3, outer 2 broadly ovate, ca. 8 × 8 mm, inner 1 oblong, 5-6 × ca. 4 mm; ovary oblong, 3-loculed; placentae axile, bilamellate; styles 3; stigmas spiraled. Capsule unequally 3-winged; abaxial wing falcate, ca. 9 × 0.6 mm; lateral wings smaller, lunate, ca. 2 mm. Fl. Jun.
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