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FOC | Family List | FOC Vol. 10 | Fabaceae

110. Lab Adanson, Fam. Pl. 2: 325. 1763.

扁豆属 bian dou shu

Authors: Delin Wu & Mats Thulin

Herbs perennial, twining or suberect. Leaves pinnately 3-foliolate; stipules basifixed, reflexed, persistent; stipels lanceolate. Ra­cemes axillary, nodes of rachis swollen. Calyx campanulate, 2-lipped, upper lip entire or emarginate, lower 3-lobed. Corolla purple or white; standard orbicular, reflexed, auriculate at base, with 2 callosities on inner surface; wings broadly ovate; keel incurved at right angle. Stamens diadelphous; anthers uniform. Style abruptly upturned, laterally compressed, bearded in upper part; stigma ter­minal. Legumes obliquely oblong-falcate, compressed, with minute warts along both sutures, shallowly septate between seeds with­in. Seeds slightly compressed, with white aril.

One species: native to Africa, cultivated throughout the tropics including China.

Lower Taxon


 

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