Calamondin is a small citrus fruit, scientifically known as Citrus mitis. It is native to Southeast Asia and is often used in cooking and beverages for its tart flavor. The fruit is typically round and about the size of a golf ball, with a thin, orange skin and juicy, acidic flesh. The calamondin tree is a small, evergreen plant that can grow up to 4 meters tall. It is popular in home gardens and is valued for its ornamental qualities as well as its fruit. Calamondin is commonly used in Filipino cuisine and can be found in various dishes and drinks.