Citrus

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

Citrus
Various citrus fruits
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Sapindales
Family:	Rutaceae
Subfamily:	Aurantioideae
Tribe:	Citreae
Subtribe:	Citrinae
Genus:	Citrus L.
Species and hybrids
Ancestral species: Citrus maxima – Pomelo Citrus medica – Citron Citrus reticulata – Mandarin orange Citrus micrantha – a papeda Citrus hystrix – Kaffir lime Citrus cavaleriei - Ichang papeda Citrus japonica - Kumquat Important hybrids: Citrus × aurantiifolia – Key lime Citrus × aurantium – Bitter orange Citrus × latifolia – Persian lime Citrus × limon – Lemon Citrus × limonia – Rangpur Citrus × paradisi – Grapefruit Citrus × sinensis – Sweet orange Citrus × tangerina – Tangerine See also below for other species and hybrids.
Synonyms
Eremocitrus Microcitrus

Plants in the genus produce citrus fruits. The genus Citrus is native to South Asia, East Asia, Southeast Asia, Melanesia, and Australia. For thousands of years, people in these areas grew citrus plants.

Citrus fruits include oranges, lemons, grapefruits, limes, citrons, pomelos, and kumquats.

Citrus reached Micronesia and Polynesia with the Austronesian expansion around 3000-1500 BC. It reached the Middle East and Mediterranean around 1200 BC, and then Europe.^[1][2][3][4]

• See also List of citrus fruits.