Begonia cehengensis T. C. Ku

This species is known only from the type gathering.

Herbs, erect. Tubers globose, 6-8 mm in diam. Stems 10-16(-20) cm tall, subglabrous. Leaves mostly cauline; stipules caducous, membranous; petiole 4-8 cm, subglabrous; blade brownish on veins, broadly ovate or suborbicular, asymmetric, 7-8 × ca. 6 cm, papery, very thin when dried, subglabrous or sparsely hispidulous, venation palmate, base slightly oblique, rounded, margin shallowly crenate, apex acute. Inflorescences 2-4-flowered, glabrous; peduncle 3-5 cm; bracts caducous, lanceolate, membranous. Staminate flowers: pedicel 4-10 mm; tepals 2, white, depressed-ovate, ca. 8 × 10 mm; stamens numerous; filaments ca. 1 mm, free; anthers obovoid, ca. 1 mm. Pistillate flowers: tepals 2, white, unequal, one depressed-ovate, ca. 8 × 10 mm, other one broadly ovate, ca. 8 × 6 mm; ovary obovoid, glabrous, 3-loculed, apex with beak ca. 3 mm; placentae axile, bilamellate; style 3, free; stigmas U-shaped. Capsule pendulous, obovoid, 5-7 mm, subequally 3-winged; wings oblate-triangular, ca. 5 mm. Fl. Aug, fr. Sep.

Guizhou (Ceheng).

● 700-800 m.

Begonia cehengensis est une espèce de plantes de la famille des Begoniaceae. L'espèce fait partie de la section Diploclinium. Elle a été décrite en 1995 par Tsue Chih Ku.

Begonia cehengensis adalah spesies tumbuhan yang tergolong ke dalam famili Begoniaceae.

Spesies ini juga merupakan bagian dari ordo Cucurbitales.

Nama ilmiah spesies ini pertama kali diterbitkan oleh Tsue Chih Ku pada 1995.

Begonia cehengensis là một loài thực vật có hoa trong họ Thu hải đường. Loài này được T.C.Ku mô tả khoa học đầu tiên năm 1995.

册亨秋海棠（学名：Begonia cehengensis）为秋海棠科秋海棠属的植物，为中国的特有植物。分布于中国大陆的贵州等地，生长于海拔750米的地区，目前已由人工引种栽培。