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Leaves petiolate, pinnately or palmately 1–3(5)-foliolate, the leaflets very variable in shape, entire or often toothed or undulate; stipules very variable, triangular to linear, usually attenuate at the base or somewhat decurrent, occasionally amplexicaul.
Inflorescences pseudoracemose or spike-like, axillary, fasciculate or pedunculate, each triad of flowers subtended by a bract of very variable shape.
Fruit 1-seeded, indehiscent, ± ellipsoid to round; epicarp glandular and often hairy; seed adhering to the pericarp.
Standard obovate, narrowing into the claw, not or scarcely auriculate; wings longer or shorter than the keel.
Stamens monadelphous in part at first, the vexillary filament free below, later becoming entirely free.
Calyx tube cylindric or campanulate with teeth unequal, the lowest the longest.
Ovary very shortly stipitate; stigma capitate.
Annual or perennial herbs or shrubs.
Flowers sessile or subsessile.
