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

106. Begonia ningmingensis D. Fang et al., Bot. Stud. 47: 97. 2006.

宁明秋海棠 ning ming qiu hai tang

Herbs, rhizomatous. Rhizomes 2-10 cm or longer, 2.5-16 mm in diam.; internodes 3-17 mm. Leaves all basal; stipules triangular or nearly so, 4-16 × 2.5-10 mm; petiole 3-24 cm, 2-5 mm in diam., hirsute-villous; blade abaxially usually reddish, adaxially often with white spots along major veins, broadly ovate, suborbicular, or reniform, papery or thinly so, rugose, adaxially pilose-setose, basally 6-8-veined, tertiary veins reticulate and percurrent, base cordate, margin denticulate and ciliolate. Inflorescences axillary, flowers 5-21 in a dichasial cyme; peduncle 4-21 cm, glabrous to sparsely villous; bracts ovate, oblong, or ligulate, margin denticulate and ciliate or ciliolate. Staminate flowers: pedicel 0.7-2 cm, glabrous; tepals 4, pinkish or white; androecium zygomorphic; stamens 20-50; filaments subequal; anthers subemarginate at apex. Pistillate flowers: tepals 3, 2 outer, 1 inner, glabrous; ovary ellipsoid, 3-winged, 1-loculed with parietal placentation; wings unequal or subequal. Capsule nodding, ellipsoid, apex with persistent styles; lateral wings 2-3.5 mm tall; abaxial wing lunate or nearly so.

● Broad-leaved forests on limestone hills; 100-400 m. Guangxi.

1 Leaf broadly ovate or suborbicular, apex acuminate, shortly acuminate, or acute; stipules serrulate at margin, ciliate or ciliolate; tepals of pistillate flowers caducous, if persistent not thickened when fruiting.   106a var. ningmingensis
+ Leaf suborbicular or reniform, apex rounded or obtuse; stipules entire at margin, not ciliate; tepals persistent and thickened in fruit.   106b var. bella


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