A deciduous tree, bark grey, nearly smooth, young parts hairy. Leaves bipin¬nate, stipules c. 2.5 cm long, obliquely cordate, rachis c. 15-30 cm long having a large gland about 2.5 cm from the base, pinnae 7-20 pairs, 5-15 cm long, leaflets 20-45 pairs, more or less sessile, linear-oblong, falcate, subacute at the apex, trun¬cate at the base, c. 1.3-2.6 cm long and c. 2.5 mm broad, glabrous above, pilose on margin and midrib below; midrib close to the upper edge; small glands between the upper pairs of pinnae. Inflorescence peduncled heads, 1-4 together, arranged in small axillary or terminal panicles; peduncle c. 1.75-3 cm long. Flowers yellowish, pedicels very short or absent, bracteate; bracts ovate, acuminate, deciduous, c. 1. 25 cm long. Calyx tubular, 2.5 mm long, teeth acute, corolla c. 5-6 mm long, hairy outside, lobes c. 2.5-3 mm long. Stamens forming a tube at the base, 2.5-3.3 cm long, staminal tube longer than the corolla tube. Pods c. 10-17.5 cm long, c. 1.3-1.8 cm broad, thin, glabrous, light brown, minutely punctate. Seeds 8-12.