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FOC | Family List | FOC Vol. 10 | Fabaceae

80. Galactia P. Browne, Civ. Nat. Hist. Jamaica. 298. 1756.

乳豆属 ru dou shu

Authors: Dezhao Chen, Prof. Dianxiang Zhang & Mats Thulin

Herbs or subshrubs, prostrate or twining. Leaves pinnately 3-foliolate, rarely 1-7-foliolate; stipules small, deciduous or persis­tent; stipels persistent. Racemes axillary; rachis with remote and slightly swollen nodes; bracts small, setaceous; bracteoles minute. Flowers solitary, paired, or several clustered at nodes of rachis. Calyx lobes linear or lanceolate, upper 2 entirely connate into 1, lat­eral slightly smaller, lowest often longest. Corolla slightly exserted; petals subequal in length; standard orbicular, ovate, or obovate-orbicular, margin slightly inflexed or appendaged; wings narrow or obovate, adherent to keel; keel obtuse and almost straight, sub­equal to or longer than wings. Stamens diadelphous; vexillary stamen free or connate from middle downward; anthers uniform. Ovary subsessile; ovules numerous; style filiform, glabrous; stigma small, capitate, terminal. Legumes linear, compressed, straight or slightly incurved, ± septate between seeds. Seeds small, compressed, estrophiolate.

About 60 species: tropical and subtropical Asia, Africa, and America; two species in China.

1 Leaflets thicker, subleathery, broadly elliptic or broadly obovate to suborbicular, midrib and lateral veins impressed adaxially, veinlets obscure.   1 G. tashiroi
+ Leaflets thinner, papery, elliptic or lanceolate, midrib and lateral veins slightly raised adaxially, veinlets conspicuous.   2 G. tenuiflora

Lower Taxa


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