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Corolla usually yellow, with petals shortly clawed; standard subcircular, as long as or longer than the wings; wings obovate or oblong; keel incurved.
Much-branched shrubs or small trees, with silky or villous indumentum; branching alternate.
Calyx valvate in bud, 2-lipped, the upper lip deeply bifid, the lower 3-lobed or 3-dentate.
Leaves petiolate, digitately 3-foliolate; stipules usually small and caducous or absent.
Pod oblong, compressed, dehiscent, glandular-tuberculate or muricate, usually villous.
Stamens all joined into a closed tube; anthers alternately long and short.
Seeds ovate-oblong in outline, smooth with a small aril.
Inflorescence terminal, racemose or capitate.
Ovary sessile, multi-ovulate.
