Albizia chinensis is an unarmed, deciduous or evergreen tree with a flat, spreading crown, up to 30(-43) m tall and trunk up to 70(-140) cm in diameter; bark dark gray, rather smooth, densely hooped, lenticellate, thin; live bark 5 mm thick, pinkish-red. Branchlets slightly angular in the distal parts, terete, puberulous to tomentose, glabrescent.
The tree is evergreen or leafless for a short period, flowering between September and June, Fruits ripen between October and August in Southeast Asia. In northern India, leaves fall in January-February, new ones appear in March-April, flowering takes place soon after the appearance of new leaves and pods attain full size in September and ripen during December-March. Pods remain on the tree for a long time and eventually dehisce, but are sometimes blown by the wind before they dehisce.