The kamatsile is the fruit of a plant having the scientific name Pithecellobium dulce. It is native to Central and northern South America, and was introduced to the Philippines during the Spanish colonial period. The Spaniards call it guamachil or guamúchil. Filipinos also spell it as camachile, camachili and kamatsili.
It has been referred to as Manila tamarind by English speakers, although it is neither native to Manila nor a real tamarind. Another English name for it is monkeypod. The fruit is in the form of a long pod, and the flesh is white and edible.