Herbs. Stipules free or joined; stipels present. Leaves 1-foliolate, rarely pinnately 3-foliolate. Inflorescences axillary, terminal or leaf-opposed, falsely racemose or rarely paniculate; the flowers usually paired. Bracts scarious. Calyx glumaceous, appearing 4-lobed, the 2 upper calyx
teeth entirely connate or almost so. Standard variously coloured. Ovary sessile or shortly stalked with several-many ovules.
Pod transversely jointed, subcylindric or somewhat flattened, constricted between the articles or
not. Worldwide: 25 species in the Old World tropics Caprivi: 4 cultivated taxa. |
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