Citrus

File:Map of inferred original wild ranges of the main Citrus cultivars, and selected relevant wild taxa (Fuller et al., 2017).png

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Citrus is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. The genus is native to South Asia, East Asia, Southeast Asia, Melanesia, and Australia.

Description

Citrus plants are typically evergreen, with glossy, ovate leaves and fragrant white flowers. The fruit is a type of berry known as a hesperidium, characterized by a leathery rind and a juicy interior divided into segments.

History

The cultivation of citrus fruits has a long history, dating back to ancient times. The earliest references to citrus fruits are found in Chinese literature from around 4,000 years ago. Citrus fruits were also known in Ancient Greece and Rome.

Species

The genus Citrus includes several species, some of the most notable being:

• Citrus sinensis - Sweet Orange
• Citrus limon - Lemon
• Citrus paradisi - Grapefruit
• Citrus maxima - Pomelo
• Citrus aurantiifolia - Key Lime

Cultivation

Citrus plants are cultivated in tropical and subtropical climates. They require well-drained soil and are sensitive to frost. The trees are typically propagated through grafting to ensure the quality and consistency of the fruit.

Uses

Citrus fruits are widely consumed fresh, juiced, or used as flavoring agents in cooking and baking. They are rich in vitamin C, fiber, and various phytochemicals.

Health Benefits

Citrus fruits are known for their health benefits, including boosting the immune system, improving skin health, and reducing the risk of chronic diseases such as heart disease and cancer.

Pests and Diseases

Citrus plants are susceptible to various pests and diseases, including:

• Citrus greening disease
• Citrus canker
• Aphids
• Scale insects

See Also

• List of citrus fruits
• Citrus production
• Citrus taxonomy
• Citrus industry in the United States

External Links

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