Begonia longanensis C. Y. Wu

Herbs, creeping. Rhizomes elongate. Leaves basal; stipules caducous; petiole ca. 20 cm, hispidulous; blade suborbicular or broadly ovate, asymmetric, ca. 15 × 16.5 cm, abaxially hispidulous, adaxially glabrous or subglabrous, venation palmate, 8-veined, base oblique, deeply cordate, margin remotely denticulate, apex shortly caudate. Inflorescences ca. 12 cm tall, pubescent; bracts not seen. Staminate flowers: pedicel 5-12 mm; tepals 4, outer 2 broadly ovate, ca. 11 × 8 mm, abaxially puberulous, adaxially with purple, orbicular dots, inner 2 obovate-oblong, ca. 10 × 5 mm; stamens numerous; filaments 1.2-1.5 mm, free; anthers obovoid-oblong, ca. 1 mm, apex emarginate. Pistillate flowers: tepals unknown; ovary obovoid-oblong, densely shortly setose, 2-loculed; placentae axile, bilamellate. Capsule nodding, obovate-oblong, ca. 2 × 6-7 mm, unequally 3-winged; abaxial wing triangular; lateral wings smaller. Fl. Jun.

● Guangxi (Long’an).

Begonia longanensis est une espèce de plantes de la famille des Begoniaceae. L'espèce fait partie de la section Platycentrum. Elle a été décrite en 1997 par Cheng Yih Wu.

Begonia longanensis 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 Wu Zhengyi pada 1997.

Begonia longanensis là một loài thực vật có hoa trong họ Thu hải đường. Loài này được C.Y.Wu mô tả khoa học đầu tiên năm 1997.

隆安秋海棠（学名：Begonia longanensis）为秋海棠科秋海棠属的植物。分布于中国大陆的广西等地，多生长在山沟中，目前尚未由人工引种栽培。