Crescentia (calabash tree, huingo, krabasi, or kalebas) is a genus of six species of flowering plants in the family Bignoniaceae, native to southern North America, the Caribbean, Central America and northern South America. The species are moderate-size trees growing to 10 m (35 ft) tall, and producing large spherical fruits, with a thin, hard shell and soft pulp, up to 25 cm (10 in) in diameter.