Chrysophyllum cainito is a tropical tree of the family Sapotaceae, native to the lowlands of Central America and the West Indies. It grows rapidly and reaches 20 m in height.

It has numerous common names including cainito, caimito, star apple, golden leaf tree, abiaba, pomme du lait, estrella, milk fruit and aguay. It is also known by the synonym Achras cainito. In Vietnam, it is called vú sữa (literally: breast-milk).

The leaves are evergreen, alternate, simple oval, entire, 5–15 cm long; the underside shines with a golden color when seen from a distance. The tiny flowers are purplish white and have a sweet fragrant smell. The tree is also hermaphroditic (self-fertile).