The most popular African citrus fruit include Lemons and Oranges. The word citrus is derived from the Ancient Greek, kedros or the Latin derivate cedrus, names applied to several different trees with fragrant foliage. Cultivated Citrus may be derived from as few as four ancestral species. Natural and cultivated origin hybrids include commercially important fruit such as oranges, grapefruit, lemons, lims and some tangerines.