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FOC | Family List | FOC Vol. 13 | Begoniaceae | Begonia

107. Begonia obliquifolia S. H. Huang & Y. M. Shui, Acta Bot. Yunnan. 21: 21. 1999.

斜叶秋海棠 xie ye qiu hai tang

Herbs, rhizomatous. Rhizomes creeping, 4-6 mm in diam.; internodes 5-10 mm. Leaves all basal; stipules ovate-triangular; petiole 8-15 cm; blade adaxially greenish on major veins, brownish to dark green between veins, obliquely broadly ovate, 4.5-12 × 4-7 cm, papery, abaxially pubescent, more densely so on veins, adaxially tuberculate-based puberulous or nearly hispidulous, basally 5- or 6-veined, base cordate, margin crenulate or denticulate, apex acute or acuminate. Inflorescences axillary; peduncle 11-12 cm, glandular-pilose; flowers 2-10 in a dichasial cyme; bracts ovate-triangular or broadly ovate. Staminate flowers: pedicel 1.3-2 cm; tepals 4, outer 2 broadly ovate or suborbicular, abaxially pilosulose, inner 2 oblong or oblanceolate; androecium zygomorphic; stamens numerous; anthers obovoid-oblong, ca. 1 mm. Pistillate flowers: pedicel 1.3-2.3 cm; tepals 3, outer 2 abaxially pilosulose; ovary obovoid, glandular-pilose, 1-loculed; placentae parietal; styles 3. Capsule nodding, obovoid-ellipsoid, 10-15 × 4-6 mm, glandular pilose, unequally 3-winged; abaxial wing obliquely triangular. Fl. Jan, fr. Jan-Jun.

● Entrances to limestone caves; 1400-1500 m. SE Yunnan (Malipo).

In FRPS (52(1): 200. 1999) this species was misidentified as the Vietnamese endemic Begonia bonii Gagnepain.


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