12 Facts About Citrus fruit

Citrus fruit is a genus of flowering trees and shrubs in the rue family, Rutaceae.

The genus Citrus fruit is native to South Asia, East Asia, Southeast Asia, Melanesia, and Australia.

Citrus fruit plants are native to subtropical and tropical regions of Asia, Island Southeast Asia, Near Oceania, and northeastern Australia.

In cooler parts of Europe, citrus fruit was grown in orangeries starting in the 17th century; many were as much status symbols as functional agricultural structures.

Citrus fruit species began to diverge from a common ancestor about 15 million years ago, at about the same time that Severinia diverged from the same ancestor.

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Three ancestral species in the genus Citrus fruit associated with modern Citrus fruit cultivars are the mandarin orange, pomelo, and citron.

The genus is commercially important as many species are cultivated for their Citrus fruit, which is eaten fresh, pressed for juice, or preserved in marmalades and pickles.

Citrus fruit trees grown in tubs and wintered under cover were a feature of Renaissance gardens, once glass-making technology enabled sufficient expanses of clear glass to be produced.

Citrus fruit plants are sensitive to excessive salt in the soil.

The rind and oil of the Citrus fruit is generally bitter, especially when cooked, so is often combined with sugar.

Some Citrus fruit species contain significant amounts of the phytochemical class called furanocoumarins, a diverse family of naturally occurring organic chemical compounds.

Genus Citrus fruit has been suggested to originate in the eastern Himalayan foothills.