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17. Peltophorum (Vogel) Bentham, J. Bot. (Hooker). 2: 75. 1840.

盾柱木属 dun zhu mu shu

Authors: Dezhao Chen, Prof. Dianxiang Zhang & Ding Hou

Caesalpinia sect. Peltophorum Vogel, Linnaea 11: 406. 1837.

Trees, deciduous, unarmed. Leaves abruptly bipinnate; pinnae opposite; leaflets numerous, sessile. Inflorescences panicles or ra­cemes, axillary or terminal; bracts caducous or persistent, small; bracteoles absent. Flowers hermaphroditic, yellow; receptacle short. Sepals 5, subequal. Petals 5, as sepals imbricate. Stamens 10, free; filaments slightly exserted, with pilose tuft at bases; anthers oblong, dorsifixed. Ovary sessile, free from receptacle, 2- or more ovuled; style filiform, long, or discoid; stigma broadly peltate, capitate, or discoid, large. Legume compressed, lanceolate-oblong, rarely elongated, indehiscent, veined at middle, with broad wing on each suture. Seeds 2-8, compressed, without endosperm.

About 12 species: tropical regions; two species (one introduced) in China.

1 Pedicels nearly as long as flower buds; stipules entire; flowers in panicles; stigma 3-lobed; legume veined on whole valve when mature.   1 P. pterocarpum
+ Pedicels ca. 2 × as long as flower buds; stipules lobed; flowers in racemes; stigma entire; legume not veined at middle of valve when mature.   2 P. tonkinense

Lower Taxa


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