Small tree or shrub, which closely resembles the white thorn acacia, in leaf, twig, and flower characters. Primary leaflets in usually 3 to 6 pairs, secondary leaflets in about 10 to 20 pairs, each leaflet is linear-oblong. Black pods nearly cylindroid, woody, 2" to 2 1/2" long, about 1/4" to 3/8" in diameter.