Star fruit, also known as carambola, is a tropical fruit that is native to Southeast Asia. It is named for its star-shaped cross-section. Star fruit is a good source of vitamins C and A, and it is also a good source of dietary fiber. Star fruit is a sweet and sour fruit. The flesh is crisp and juicy, and the taste can vary from tart to sweet, depending on the variety. Star fruit is often eaten fresh, but it can also be used in salads, desserts, and smoothies. A fruit custom progress bar for YouTube with Star Fruit.