The botanical name, Euphoria langana, is a perfect fit for the longan fruit. Also known as the euphoria fruit, the sweet succulent fruit is very tasty and enjoyable to eat, as well provides many benefits. Fresh longan fruit will appear leathery and light brown in color. It can darken with age and contains only one seed or pit and therefore is also known as dragon eye. Southeast Asia is a prime producer and anytime between mid and late summer