Crescentia (calabash tree, huingo, krabasi, or kalebas) is a genus of six species of flowering plants in the family Bignoniaceae, native to Mexico, 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.

The fruit pulp is used traditionally for respiratory problems. The hard shell can be used for containers, scoops, cups etc.

Crescentia is a plant with various medicinal uses. Different parts of the tree, including the fruit, leaves, and bark, are used in traditional medicine to treat a wide range of ailments. Common uses include treating respiratory problems, inflammation, digestive issues, and skin conditions.

Six species are accepted.