The term 'Trademarked Citrus' refers to the UGLI fruit, which is a hybrid of grapefruit, tangerine, and orange. It was first discovered in Jamaica in 1924 and has since become a popular citrus fruit around the world. The name UGLI comes from its unique appearance, which is characterized by its bumpy, wrinkled skin. The UGLI fruit is known for its sweet-tart flavor and is often used in juices, jams, and other recipes.