刺盾叶秋海棠 ci dun ye qiu hai tang

Herbs, rhizomatous. Rhizomes creeping. Leaves all basal, peltate, long petiolate; stipules caducous; petiole 4-8 cm, very sparsely villous; blade abaxially pale green, adaxially green with numerous white dots, ovate or broadly ovate, 4-8 × 4-5.5 cm, abaxially sparsely hirsute on major veins, adaxially sparsely hispidulous or setulose, basally 7-veined, tertiary veins weakly percurrent, base slightly cordate to rounded, margin serrulate or denticulate, apex acuminate or shortly caudate. Inflorescences axillary; peduncle ca. 21 cm, subglabrous; flowers several, pale purple, in dichasial cyme; pedicel 1.2-1.5 cm, glabrous; bracts caducous, ovate or suborbicular, 7-9 × 4-5 mm, margin remotely serrate. Staminate flower: tepals 4, outer 2 broadly ovate, ca. 1.2 × 1 cm, glabrous, base subrounded, apex rounded, inner 2 oblong, ca. 6 × 4 mm, apex obtuse, base broadly cuneate; stamens numerous; filaments 1-2 mm; anthers obovoid-oblong. Pistillate flower: tepals 4, outer 2 oblate-orbicular, inner 2 oblong; ovary oblong, glabrous, with 3 subequal wings, placentae parietal; styles fused at base. Capsule nodding, 15-16 × 4-5 mm. Fl. Feb-Apr, fr. Apr-May.

● Shaded places of valleys, limestone caves; ca. 300 m. Guangxi (Donglan, Hechi).