Herbs, rhizomatous. Rhizomes elongate. Leaves all basal; stipules caducous, ovate, 6-12 mm, abaxially villous on veins when young, apex awned; petiole 5-14 cm, sparsely to moderately villous; blade adaxially green, with a whitish ring-shaped belt, obliquely ovate to suborbicular, 10-24 × 10-17 cm, herbaceous or papery, abaxially subglabrous or scaberulous, adaxially glabrous, basally 6-or 7-veined, tertiary veins weakly percurrent, base cordate, margin denticulate, apex shortly caudate. Inflorescences axillary; peduncle 13-20 cm, pilose or sparsely villous; flowers white or pinkish, 4-10 in 3-4 times branched dichasial cyme. Staminate flowers: tepals 4, outer 2 broadly elliptic or broadly ovate, 1.2-1.9 × 1-1.6 cm, abaxially glandular pilose, inner 2 obovate or broadly oblanceolate, 12-14 × 4-5 mm, glabrous; stamens 16-27. Pistillate flowers: tepals 3, outer 2 suborbicular, 1-1.5 × 1-1.2 cm, abaxially glandular pilose, inner 1 obovate, 5-7.5 × 2-5 mm; ovary 1-loculed with parietal placentation. Capsule nodding, ovate-oblong, 13-20 × 6-8 mm, glabrous, subequally 3-winged; wings lunate, 3-7 mm. Fl. Mar-Jun, fr. Apr-Jun.
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