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

2. Begonia acutitepala K. Y. Guan & D. K. Tian, Acta Bot. Yunnan. 22: 129. 2000.

尖被秋海棠 jian bei qiu hai tang

Herbs, 10-30 cm tall, tuberous. Leaves 1 or 2(or 3), basal; stipules not seen; petiole 20-30 cm; blade green on both surfaces, broadly cordate, 14-20 × 10-15 cm, papery, base deeply cordate, margin serrulate, apex acuminate. Inflorescence 10-30 cm, hirsute, villous, tomentose; flowers pink; bracts green, broadly ovate, 1-1.2 cm, margin entire. Staminate flowers: pedicel 1.5-6 cm; tepals 4, apex acute, outer 2 ovate-lanceolate, inner 2 obovate or spatulate, ca. 1.2 × 0.6 cm, apex obtuse; stamens numerous; anthers obovoid-globose, apex concave. Pistillate flowers: pedicel ca. 3 cm; tepals 5, unequal, ovate-lanceolate to obovate, abaxially tomentose, apex acute or obtuse; ovary sparsely tomentose, 3-loculed; placentae axile, bilamellate; styles 3; stigmas spiraled. Capsule ellipsoid, unequally 3-winged; abaxial wing triangular, ca. 1 cm, apex truncate; lateral wings smaller, lunate. Fl. Sep-Nov.

● Woods; ca. 1600 m. Yunnan (Maguan).

This species is similar to Begonia labordei but differs by its acute tepals and non-racemose inflorescence.


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