Trees 6-18 m tall. Leaves alternate, 24-45 cm long; bipinnate; pinnae elliptic to elliptic-oblong, 9-16 x 3-6 mm, entire, acuminate, cuneate, sessile. Panicles up to 45 cm long, erect, puberulous. Calyx campanulate, truncate, pubescent; teeth linear, c. 0.6 mm long. Corolla tube 30-35 mm long, abruptly dilated towards base; lobes subequal, 8-9 mm long, upper 2 lobes white inside; lower 3 lobes hairy within. Filaments of longer stamens c. 12 mm long, staminode subexserted, ± 2.6 mm long. Disk fleshy. Ovary oblong, 2-2.5 mm long, appressed pubescent; style 18-20 mm long, slightly curved and exceeding the stamens; stigma narrow oblong. Capsule suborbicular-oblong, 50-60 x 40-46 mm. Seeds obovoid, 5-6 x 4-4.5 mm (with wing 16-18 mm broad).

Fl. Per.: Mid April-May.

Type: Described from America.

Distribution: A native of Brazil and NW. Argentina. Widely cultivated in warmer parts of the world.

Frequently planted as a roadside tree or along avenues. The flowers are very attractive and slightly fragrant.