Shrubs, trees or high-climbing woody lianas, the wood yielding orange or red sap. Leaves imparipinnate, the leaflets few to numerous, alternate; stipelles ab-sent; stipules often spinescent. Racemes axillary or terminal, these often numerous, cymoid; bracts usually small; bracteoles usually persistent. Flowers small, often dense, the hypanthium truncate, the teeth very short, usually truncate or obtuse; vexillum broad, usually emarginate; wing and carinal petals coherent distally along the lower margin; stamens 10, monadelphous or diadelphous and often with 2 fascicles of 5 stamens, the anthers small, usually basifixed, dehiscing longitudinally; stipe of the ovary surrounded by a glandular collar, the style slender, the stigma scarcely differentiated. Fruits stipitate, flat, samaroid, the seminiferous area proxi-mal, incrassate, the wing attenuate, reticulate, the seeds variable in shape.
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