Tree to 30 m high. Branchlets terete, brownish, distal parts densely puberulous by brown hairs. Leaves: Stipules and stipular glands not seen. Inflorescences terminal, densely puberulous, consisting of pedunculate glomerules aggregated into panicles to 40 by 40 cm; Flowers pentamerous, bisexual. Stamens white, up to 20 mm, tube equalling the corolla-tube. Ovary solitary, pilose, subsessile. Seeds black, ovate-ellipsoid, c. 12 by 4 mm.
The collections from montane areas have short peduncles, up to 2.5 mm; the normal length of the peduncles is up to 5 mm long.