A small tree, attains a height of 7.5 m. It has an extremely hard, dark purple heartwood. Leaflets 3, rarely 4 or 5, broad, elliptic, obtuse, the length is 3.8-7.5 cm.
Flowers are few, in short axillary or terminal racemes.
Pod,oblique and gradually narrowed into a short stalk,measures 3.8 cm in diameter. Many phenolic compounds have been identified in the extract of seeds. Chlorogenic acid, quercetin, gentisic acid, cis- sinapic acid were present in all the parts of the plant. Sinapic acid and caffeic acid were absent in roots. Pharmacological studies were conducted with an ethanol extract of the heartwood and bark of the plant.