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1. Barringtonia J. R. Forster & G. Forster, Char. Gen. Pl. 38. 1775.
玉蕊属 yu rui shu
Huttum Adanson.
Trees or shrubs. Stipules small, caducous. Leaf blade entire or serrate-crenate at margin. Inflorescences terminal or lateral, erect or pendulous racemes or spikes; bracts and bracteoles sessile, small, caducous. Receptacle obconic, 4-angled or 4-winged. Calyx of 4 or 5 persistent, imbricate lobes inserted on rim of receptacle, or breaking at anthesis into 2-5 persistent pseudo-lobes, or circumscissile leaving a cup-shaped rim. Petals (3 or)4(or 6), basally adhering to staminal tube. Stamens many in 3-8 whorls, shortly connate, innermost 1-3 whorls shorter and sterile. Ovary 2-4-loculed; ovules 2-8 per locule; style exceeding stamens. Fruit sometimes angled or winged, with fleshy-fibrous exocarp and woody-fibrous endocarp. Seed 1, large; embryo fusiform, with spiral scales toward apex; cotyledons absent, hypocotyl erect, thick.
About 56 species: E Africa to Australia, mainly in Asia; three species (one endemic) in China.
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| 1 |
Leaf blade apically obtuse or broadly rounded; racemes mostly terminal, erect, 5-15 cm; fruit broadly pyramidal; calyx lobes 3-4 cm. |
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1 B. asiatica |
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Leaf blade apically acute or acuminate; racemes or spikes terminal, or axillary on old branches, pendulous, 20-80(-100) cm; fruit ovoid-cylindric or fusiform; calyx lobes 0.7-1.3 cm |
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(2) |
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| 2 (1) |
Flowers pedicellate, pedicel to 25 mm; fruit ovoid-cylindric. |
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2 B. racemosa |
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Flowers sessile; fruit fusiform. |
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3 B. fusicarpa |
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Lower Taxa
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