A baseball-sized citrus fruit with a tough orange skin and flesh that is segmented and juicy. It may have a sweet to slightly bitter taste, depending on the variety. They are grown in regions with a subtropical or Mediterranean climate. Some of the common varieties of include Ambersweet, Blood, Hamlin, Naval, Red Naval, Pineapple, and Valencia oranges. Oranges are a good source of vitamins, such as vitamin C and four B vitamins and are also a good source of many important minerals.