Tetrapleura

Unarmed trees. Leaves bipinnate, eglandular; pinnae 5-7(-10) pairs, opposite to alternate; leaflets 6-11(-13) on each side of pinna, oblong-elliptic to elliptic, with rounded to emarginated apex. Inflorescences axillary, solitary or rarely paired racemes. Flowers bisexual, yellowish to pinkish. Calyx gamosepalous, with 5 teeth. Petals 5, free, very narrowly obovate. Stamens 10, fertile, exserted; anthers with a caducous apical gland. Pods narrowly oblong, straight or slightly curved, woody, indehiscent; valves with a wing-like projection running longitudinally for whole length of valve, pod in section thus +/- cruciform, internally septate between seeds. Seeds hard, dark brown, not winged.