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FOC | Family List | FOC Vol. 10 | Fabaceae

107. Teramnus P. Browne, Civ. Nat. Hist. Jamaica. 290. 1756.

软荚豆属 ruan jia dou shu

Authors: Hang Sun & Mats Thulin

Perennial twining herbs. Leaves pinnately 3-foliolate; stipules and stipels deciduous. Flowers small, in axillary clusters or ra­cemes; bracts small, linear, persistent; bracteoles linear, longitudinally striate. Calyx membranous, campanulate, 4- or 5-lobed. Co­rolla slightly exserted; standard obovate, narrow at base, clawed, without auricles; wings narrow, adnate to blunt, straight, and shorter keel. Stamens monadelphous, only 5 longer developed, 5 shorter sterile or lacking. Ovary sessile, many ovuled; style short, curved, glabrous; stigma capitate. Legumes linear, flattened, persistent style base forming upcurved beak at apex, sometimes transversely impressed between seeds. Seeds numerous.

About eight species: tropics of both hemispheres; one species in China.

Lower Taxon


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