Herbs, dwarf. Rhizomes ca. 2 mm in diam. Leaves basal; stipules membranous, caducous; petiole 4.8-7.5 cm, sparsely brown hairy; blade oblong-ovate or rhomboid-ovate, slightly asymmetric, 6-6.5 × 1.9-3 cm, abaxially brown hairy, adaxially subglabrous or sparsely hispidulous, venation palmate-pinnate, 5-veined, base cuneate to broadly cuneate, margin remotely serrulate, apex acuminate or caudate-acuminate. Inflorescences 7-17 cm tall, glabrous or subglabrous, with 1 or 2 flowers; bracts oblong or ovate, 6-8 × ca. 4 mm, membranous. Staminate flowers: pedicel 4-12 mm; tepals 4, outer 2 broadly ovate or broadly oblong, ca. 8 × 6 mm, inner 2 obovate-oblong, ca. 6 × 4 mm; stamens numerous; filaments free; anthers oblong or obovoid. Pistillate flowers: tepals 4 or 5; ovary glabrous, probably 2-loculed; styles 2, ca. 2 mm, entirely fused; stigmas 2-cleft, spiraled. Capsule nodding, oblong, 1.1-1.3 cm × ca. 8 mm, unequally 3-winged; abaxial wing ovate-oblong, ca. 1.3 × 1 cm, apex rounded; lateral wings smaller, 2-3 mm. Fl. Jul-Aug, fr. Aug.
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