Small shrubby tree, 2-4 m tall. Leaf 5-10 cm long; stipules foliaceous, rotund to reniform, with long apiculae on either side, persistent. Leaflets 4-12 pairs, 1.5-2.5 cm long, c. 5-12 mm broad with an erect linear gland between each pair. Flowers in terminal and axillary corymbose racemes. Pedicel 1.2-2.5 cm long. Sepals 9-12 mm long, 2 outer much smaller than the other three. Petals 1.2-2.5 cm long, bright yellow, veined with orange. Stamens 10, 3 upper reduced to staminodes. Pod 7.5-12.5 cm long, c. 1.2-1.5 cm broad, flat. pilose. stipe 5 mm long.