Do you know the name of this fruit that is unique to Jamaica? It is called Ugli Fruit. The Ugli fruit is a citrus is native only to Jamaica. It was discovered growing wild in Jamaica over 80 years ago. It is a hybrid of a grapefruit an orange and a tangerine. The name UGLI is the trademark of the Jamaican company, Cabel Hall Citrus Limited that exclusively grows the fruit.