Wikipedia Article About Mamoncillo on Wikipedia A small oval green-colored fruit grown on trees related to the Evergreen family. This fruit typically grows in clusters of twelve or more from a single stem. Similar in shape and size to an large green olive, the outer flesh of the Mamoncillo is hard and brittle. It is easily peeled away to expose a pinkish to cream colored flesh, which provides a very sweet tasting meat. Also known as a Spanish Lime, this fruit is often served in beverages like a lime, or served as a fresh flavored snack to eat out of hand.