Perennial herbs or herbaceous subshrubs. Leaves pinnately compound, 3-7-foliolate; leaflets entire or slightly undulate; stipules and stipels present. Racemes terminal, or axillary and terminal, rarely lax panicles, usually 2-or 3-flowered at each node; bracts present; bracteoles often absent. Calyx broadly campanulate, 4-or 5-lobed (upper lobes fully connate when 4-lobed or minutely 2-toothed at apex when 5-lobed). Standard shortly clawed at base; wings and keel clawed. Stamens monadelphous. Ovary long stipitate or slightly shortly stipitate. Legume 2-5-jointed, lower suture very deeply incised nearly to upper one between articles, upper suture straight or shallowly undulate; articles obliquely triangular or slightly broadly subobovate. Seed without rim-aril; cotyledons hypogeous.
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