Tree 6-9(-15) m high; young branchlets pubescent, glabrescent. Leaves 5-, 6-(or 7-) jugate. Leaflets elliptic-oblong to oblong, rarely ovate, 4.5-11 by 2.5-3.5 cm, the basal ones usually smaller, apex very narrowly acuminate, base obliquely rounded, glabrous on both surfaces. Inflorescences 9-10 cm in diam. during anthesis, the peduncle and rachis 2-2.5 cm; bracts broad-obovate, 2.5-4.5 cm long, velvety pubescent outside; bracteoles spathe-shaped, 1.7-2.5 cm long, densely rather stiffly velvety pubescent; pedicels c. 5 mm. Hypanthium 9-18 mm. Calyx lobes 2 cm long. Petals 3.5-4 cm long, orange-red or red. Stamens 3-3.5 cm; filaments united at the lower 7-17 mm. Ovary c. 10 mm long, the style c. 4 cm. Pods 10-18 by 4-4.5 cm, rusty velvety.