Low-branched, deciduous tree c. 11 m tall; DBH c. 40 cm; bark smooth with small white lenticels, grey-brown, sometimes breaking and cracking. Leaves almost full-sized on plants without flowers. Flowers on branches with very juvenile foliage, the young shoots green with a dense brown indumentum; twigs dark greenish brown with white lenticels. Flowers in pseudoracemes, c. 15 mm long, lilac pink, the standard with a small greenish basal eye. Calyx purple with 3 long lower teeth and 2 short upper teeth separated by a broad space (old pods and seeds on the ground)