Tree up to 15 m high, crown narrowly rounded or rounded. Bark grey-brown to blackish, rough, fissured; young branchlets with grey to brown or sometimes slightly golden spreading pubescence, a very small prickle-like outgrowth often present beneath each node. Leaves often golden-tomentose when very young, rusty to grey-pubescent when older: petiole 0,8-3 cm long, adaxial gland often prominent and sometimes shortly stalked and up to 1 mm high, often absent; rhachis 2,4-9(15) cm long; pinnae 6-22 pairs; rhachillae 1-3,4 cm long; leaflets (6)12-28 pairs, 2-6 x 0,5-1,5 mm, ± falcate, apex asymmetric, acute, turned towards the apex of the pinna, midrib nearer the distal margin, lateral nerves ± raised and visible beneath, lower surface of leaflet paler than upper, ± appressed-pubescent on both surfaces or the lower only when young, becoming sparingly pubescent to glabrescent with age. Inflorescences globose; peduncles 1,5-4 cm long, ± golden-pubescent when young, becoming greyish when older. Flowers creamy-white, sessile or up to