Preschool Prep Alphabet Fruit From A-Z V1-0012 Discover the unique and tangy flavor of kumquats, small orange fruits native to southeastern China. With a perfect balance of sweet and sour, kumquats are a delightful treat for those looking to explore new and exotic flavors. Try adding kumquats to salads, desserts, or simply enjoy them on their own for a refreshing burst of citrusy goodness.