Begonia longicarpa K. Y. Guan & D. K. Tian

Herbs, fragile, 15-30 cm tall. Rhizomes elongate, 5-17 mm in diam. Leaves basal; stipules triangular, 5-10 mm, glabrous, apex acuminate and cuspidate; petiole 10-25 cm, minutely hairy; blade adaxially dark green, narrowly elliptic, asymmetric, 5-26 × 3.5-15 cm, glabrous or abaxially minutely hairy on veins, venation palmate-pinnate, 5-10-veined, base oblique, cordate, margin remotely and minutely serrulate, apex shortly acuminate. Inflorescences many, arising from rhizome, 5-14 cm tall, hairy; peduncle 3-5 cm. Flowers scented. Staminate flowers: tepals 4, white, outer 2 broadly ovate to orbicular, 1.9-2 × 1-1.8 cm, abaxially minutely hairy, inner 2 oblong to broadly oblong, 7-15 × 3-12.3 mm; stamens ca. 120, fused at base. Pistillate flowers: tepals 3, white, outer 2 broadly ovate or oblate, 1.5-1.7 × 1-1.9 cm; inner 1 elliptic, ca. 13 × 7 mm; ovary clavate, sparsely shortly pilose when young, 3-loculed; placentae axile, bilamellate; styles 3, free; stigmas 2-cleft, spiraled. Capsule pendulous, clavate, trigonous, 4-5 cm × 5-6 mm, wingless. Fl. Nov-Dec. 2n = 20*.

SE Yunnan (Hekou) [Vietnam].

Broad-leaved forests or scrubby vegetation, on forest floor with abundant leaf litter and humus; 100-200 m.

Begonia longicarpa est une espèce de plantes de la famille des Begoniaceae. L'espèce fait partie de la section Leprosae. Elle a été décrite en 2000 par Kai Yun Guan et Dai Ke Tian.

Begonia longicarpa 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 Kai Yun Guan dan Dai Ke Tian pada 2000.

Begonia longicarpa là một loài thực vật có hoa trong họ Thu hải đường. Loài này được K.Y.Guan & D.K.Tian mô tả khoa học đầu tiên năm 2000.