Erect, small, evergreen tree. Leaves up to 30 cm long, stipulate, stipules intrapetiolar. Leaflets 4-6 pairs, c. 10-20 cm long, oblong, lanceolate, glabrous. Flowers in dense corymbs, changing colour from yellow to orange and finally scarlet. Bracts and bracteoles coloured. Calyx situated at the top of tubular (c. 12-17 mm) hypanthium; sepals 4, oval, petaloid. Petals absent. Stamens 4-8, exserted. Ovary stipitate, style curved into a ring, nearly as long as the stamens. Pod 15-25 cm long, dehiscent with 4-8 seeds.