Tree 3-20 m. high. Leaves 5-to 9-foliolate; leaflets elliptic to oblong or ovate, 3.5-11 cm. long, 2-5 cm. wide, subcuneate to rounded at the base, abruptly acumi-nate to an obtuse apex, subcoriaceous, pellucid-punctate, glabrous. Racemes axil-lary, solitary or fasciculate, 3-14 cm. long. Flowers appearing with or before the new leaves; calyx cupulate, 4.5-5.5 mm. long, gray-sericeous; petals pale lavender shading to white toward the claw; vexillum suborbicular, 10-13 mm. long, more or less truncate at the base, emarginate at the apex, sericeous without; wing petals oblong, prominently auriculate, the claw 4.5-5 mm. long, the blade 8 mm. long. Legumes stipitate, thin, flat, 7-12 cm. long, 1.5-3 cm. wide, 1-to! 3-seeded, narrowed at both ends, glabrous, pale brown, the upper margin dilated and deeply sulcate be-tween the valve-margins.
Moist or wet forest or brushy hillsides; at elevations up to 350 metres. Ravines and hills, dry shallow arroyos, tropical deciduous andl subdeciduous forest, the transitional zone between oak and tropical deciduous forest, also in thorn forest.
Can be grown by seedlings. Seeds needs soaking.
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