Citrus plants belong to the Rutaceae family and are small evergreen trees or shrubs with fragrant flowers and fruits. Common edible citrus fruits include oranges, lemons, limes, grapefruit, and tangerines.

Other citrus varieties are pomelos, citron, calamondins, kumquats, mandarins, and clementines. Citrus trees thrive in tropical and subtropical climates. Their fruits have aromatic rinds, and their juicy tart pulps are rich in vitamin C.

Popular citrus varieties are grown commercially for their fruits. In contrast, ornamental citrus plants are valued for their flowers, foliage, and scent. Citrus trees require ample sunlight and are susceptible to frost.

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