It's another way to call the sucker in Puerto Rico and Mexico. It is the name of a tree and its fruits. The scientific name of the tree is Melicoccus bijugatus and belongs to the family Sapindaceae. It is also known as mamón, anoncillo, mojón, huaya, maco, cojoncillo, suckling, gualo, mamalón, suckers, guelines, guayo, lemongrass.