Citrus varieties include a wide range of fruits such as oranges, lemons, limes, and grapefruits. Each type has unique flavors, colors, and uses. For example, Valencia oranges are sweet and commonly used for juice, while Eureka lemons are tart and popular for cooking and baking. In addition to these common varieties, there are hybrids like clementines and tangerines, which are smaller and easier to peel. Bergamot oranges are known for their fragrant oil, often used in perfumes and teas. Overall, citrus fruits are valued for their refreshing taste and high vitamin C content.