Begonia rubropunctata S. H. Huang & Y. M. Shui

This species is similar to Begonia pedatifida but differs by its spotted leaves and the petiole with red, linear dots.

Herbs. Rhizomes 2-3 cm in diam. Leaves basal; stipules ovate, ca. 8 mm, apex acute; petiole 15-25 cm, glabrous, with red linear dots; blade orbicular, asymmetric, 15-20 × 15-20 cm, sparsely setulose, venation palmate, 5- or 6-veined, base slightly oblique, cordate, margin denticulate, 5- or 6-lobed; lobules present, apex acuminate to caudate. Inflorescences glabrous; bracts broadly ovate, ca. 2 cm, glabrous, apex acute. Staminate flowers: pedicel ca. 1 cm; tepals 4, pink, outer 2 broadly obovate, ca. 2.2 × 1.5 cm, inner 2 obovate-oblong, ca. 1.8 × 0.8-1 cm, apex crenate; stamens numerous; filaments fused to halfway, 1-1.2 mm; anthers oblong, ca. 1.2 mm. Pistillate flowers: pedicel 7-8 mm; tepals 4 or 5, pink, suborbicular, glabrous, largest one ca. 1 × 1.2 cm, apex acute; ovary 2-loculed, placentae axile, bilamellate; styles 2; stigmas 2-cleft, spiraled. Capsule nodding, ellipsoid, unequally 3-winged; abaxial wing ligulate, ca. 1.5 cm; lateral wings smaller.

Yunnan (Xishuangbanna).

● Forests, limestone rock faces; 600-1100 m.