Flat-topped spiny deciduous tree or shrub to 12 m high, with rough furrowed grey or brown bark and yellowish inner bark. Flowers 4-5 mm long in crowded, cylindrical inflorescences, 5-10 (-15) cm; Fruits pale yellowish brown, linear, straight or slightly curved, 8-29by 0.8-1.7 cm, thick but compressed. Seeds brown, ovoid, c. 6 m long, embedded in a whitish, slightly sweet pulp.
Central and South America present, SW United States present
SW United States to Central and South America.
Widely cultivated and naturalized in the tropics. In Malesia cultivated in Java, in the Philippines and Papua New Guinea.