成凤秋海棠 cheng feng qiu hai tang

Herbs. Rhizomes elongate. Stems very short. Leaves basal; stipules caducous; petiole 2.7-4 cm, hairy; blade broadly ovate to suborbicular, 9-11 cm, abaxially subglabrous, adaxially sparsely hispidulous, base cuneate, margin shallowly and remotely serrulate, distinctly lobed, nearly divided to leaf base, apex acuminate. Inflorescences (6-)12-15 cm tall, glabrous. Staminate flowers: pedicel 1.7-3 cm; tepals 4, outer 2 broadly ovate, 0.9-1.2 × 0.9-1.2 cm, abaxially hairy, inner 2 elliptic, 9-11 × 5-6 mm; stamens numerous; filaments 1.1-1.5 mm; anthers obovoid or oblong-obovoid, 0.9-1.4 mm, apex emarginate. Pistillate flowers: pedicel 7-9 mm; tepals 5, unequal, largest ovate or broadly elliptic, 7-8 × 5-5.2 mm, abaxially hairy, smallest broadly elliptic, 6-7 × 3.4-4 mm; ovary pilose, 2-loculed; placentae axile, bilamellate; styles 2, 2.5-2.8 mm, free; stigmas spiraled. Capsule unequally 3-winged. Fl. Jun.

● 1300-1600 m. Yunnan (Suijiang).

This species is similar to Begonia laminariae but differs by its leaf blade dividing nearly to the base.