Any of the plants that make up the genus Citrus, in the rue family, that yield pulpy fruits covered with fairly thick skins. The genus includes the lemon, lime, sweet and sour oranges, tangerine, grapefruit, citron, and shaddock (C. maxima, or C. grandis; also called pomelo).
This entry comes from Encyclopædia Britannica Concise.
For the full entry on citrus, visit Britannica.com.
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