Semi-deciduous to deciduous trees of about 15m with a spreading, untidy canopy. They grows best in well drained soil. In older trees the bark is grooved and grey-brown; bark of young branches is smooth and grey. The leaves are acacia-like and silver-grey covered with fine hair; mature leaves yellowish at tip of branches. the leaves are twice compound with a pair of leaflets at the tip; alternate; up to nine pairs of pinnae each with 10-20 pairs of leaflets; leaf, stalk and rachis covered with reddish brown hairs. The trees have no thorns.