Herbs, rhizomatous. Rhizomes creeping, 1-1.6 cm in diam.; internodes short. Leaves all basal; stipules ovate; petiole 5-16 cm, glabrous; blade abaxially reddish brown, adaxially with many pale, oval spots of various sizes between veins and usually with a broad pale band along midvein against dark green background, strongly obliquely ovate, 5-15 × 4-8 cm, subleathery, both surfaces glabrous, basally 6-or 7-veined, base deeply cordate, margin subentire, sometimes shallowly repand or angularly lobed, apex acuminate to caudate-acuminate. Inflorescences with 4-15 flowers in a dichasial cyme; peduncle 6-20 cm; bracts oblong or elliptic. Staminate flower: pedicel 1.2-1.6 cm; tepals 4, pink, glabrous, outer 2 ovate to broadly ovate, inner 2 lanceolate; stamens 30-40, anthers obovoid, apex subtruncate. Pistillate flower: pedicel 1.5-2.5 cm; tepals 5, pink, outer ones rhomboid to ovate-triangular, inner ones gradually diminishing, innermost one lanceolate; ovary obovoid-oblong, glabrous, unequally 3-winged, placentae parietal; styles 3. Capsule ellipsoid, glabrous, with 3 unequal wings, abaxial wing obliquely broadly ligulate, lunate, or subrectangular. Fl. May-Sep, fr. July-Nov.
Home