Herbs. Rhizomes elongate, 4-6 mm in diam., red hairy. Leaves basal; stipules triangular-lanceolate, ca. 1.2 × 6 mm, margin ciliate, apex acuminate; petiole 5.5-15 cm, red hairy; blade sometimes with several pale greenish spots adaxially, suborbicular, asymmetric, 5-7 × 6-7.5 cm, abaxially sparsely hirsute, adaxially sparsely hispidulous, venation palmate, 7-veined, base obliquely cordate, margin crenulate, apex rounded. Inflorescences hairy; peduncle ca. 2.1 cm. Staminate flowers: pedicel ca. 3.5 cm; tepals 4, pink, outer 2 suborbicular, ca. 1.8 cm, glabrous; stamens numerous; filaments ca. 1.5 mm, fused at base; anthers obovoid, apex rounded. Pistillate flowers: pedicel ca. 1 cm; ovary hairy, 3-loculed; placentae axile, bilamellate; tepals 5; styles 3; stigmas 2-cleft. Capsule nodding, obovoid, ca. 1 × 0.8 cm, sparsely hairy, unequally 3-winged; abaxial wing triangular, ca. 4 × 6 mm; lateral wings ca. 2.5 mm. Fl. Jun, fr. Jul.
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