不显秋海棠 bu xian qiu hai tang

Begonia fengii T. C. Ku.

Herbs. Rhizomes elongate, 4-8 mm in diam. Leaves basal; stipules membranous, caducous; petiole 2.5-8 cm, sparsely villous; blade ovate or oblong-ovate, asymmetric, 1.8-8 × 1.5-6.2 cm, sparsely hispidulous and adaxially puberulous, venation palmate-pinnate, (5 or)6-veined, base oblique, cordate, margin irregularly serrulate, apex acute to acuminate. Inflorescences 4-10 cm tall, villous; bracts caducous, ovate-lanceolate, 3-4 mm, membranous, apex obtuse. Staminate flowers: pedicel 1-1.8 cm; tepals 4, white to pink, villous, outer 2 broadly ovate or oblong, 7-8.5 × 6-8 mm, inner 2 oblong to elliptic, 5-6 × 2.5-3 mm; stamens numerous; filaments 1-1.8 mm, fused at base; anthers obovoid-oblong, 1-1.1 mm, apex emarginate. Pistillate flowers: tepals 5, white to pink, villous; ovary villous, 3-loculed; placentae axile, bilamellate. Capsule nodding, subequally 3-winged; wings triangular; placentae axile, bilamellate. Fl. Jun, fr. May.

● Forest margins, in scrubby vegetation; 500-1600 m. Guangxi, SE Yunnan.