Begonia dentatobracteata C. Y. Wu

This species is similar to Begonia labordei and probably can only be separated by its distinctly dentate bracts with 3-5 teeth at the apices.

Herbs, deciduous. Tubers 1.5-1.9 cm in diam. Leaves 2- or 3-fasciculate on tuber; stipules membranous, caducous; petiole 13-16.5 cm, glabrous or subglabrous; blade oblong-ovate or oblong, slightly asymmetric, 11-14 × 6.9-8.8 cm, abaxially hispidulous on veins, adaxially sparsely hispidulous, base cordate, margin serrulate, undivided, apex caudate-acuminate. Inflorescences terminal, racemose at base, ca. 26 cm tall; bracts oblong to obovate, membranous, apex (2 or)3-5 toothed. Staminate flowers: tepals 4, pink, outer 2 broadly ovate, 4-5 × 3-3.5 mm, inner 2 oblong, ca. 2.5 × 1 mm; stamens numerous; filaments fused to halfway; anthers oblong, ca. 1 mm. Pistillate flowers: tepals not seen; ovary 3-loculed; placentae axile, bilamellate; styles 3, free; stigmas U-shaped. Capsule pendulous, unequally 3-winged; abaxial wing oblate-orbicular, 7-13 × 7-12 mm, apex acute or obtuse; lateral wings smaller. Fl. Jul, fr. Aug.

W Yunnan (Pianma).

● Broad-leaved forests, on rocky cliffs in shaded environments; 1600-1900 m.

Begonia dentatobracteata is a species of plant in the family Begoniaceae. It is endemic to China.

Begonia dentatobracteata 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 Cheng Yih Wu.

Begonia dentatobracteata 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 1995.

Begonia dentatobracteata é uma espécie de Begonia, nativa da China.

Begonia dentatobracteata là một loài thực vật thuộc họ Begoniaceae. Đây là loài đặc hữu của Trung Quốc.