Hybrid citrus plant
Citrus × aurantium
Scientific classification
Kingdom:
Plantae
Clade :
Tracheophytes
Clade :
Angiosperms
Clade :
Eudicots
Clade :
Rosids
Order:
Sapindales
Family:
Rutaceae
Genus:
Citrus
Species:
C. × aurantium
Binomial name
Citrus × aurantium
Synonyms [ 2]
Aurantium × acre Mill.
Aurantium × bigarella Poit. & Turpin
Aurantium × corniculatum Mill.
Aurantium × corniculatum Poit. & Turpin
Aurantium × coronatum Poit. & Turpin
Aurantium × distortum Mill.
Aurantium × humile Mill.
Aurantium × myrtifolium Descourt.
Aurantium × orientale Mill.
Aurantium × silvestre Pritz.
Aurantium × sinense (L.) Mill.
Aurantium × variegatum Barb.Rodr.
Aurantium × vulgare (Risso) M. Gómez
Citrus bigaradia Risso & Poit.
Citrus humilis (Mill.) Poir.
Citrus × amara Link
Citrus × benikoji Yu.Tanaka
Citrus × bigaradia Loisel.
Citrus × calot Lag.
Citrus × canaliculata Yu.Tanaka
Citrus × changshan-huyou Y.B.Chang
Citrus × communis Poit. & Turpin
Citrus × dulcimedulla Pritz.
Citrus × dulcis Pers.
Citrus × florida Salisb.
Citrus × funadoko Yu.Tanaka
Citrus × fusca Lour.
Citrus × glaberrima Yu.Tanaka
Citrus × humilis (Mill.) Poir.
Citrus × intermedia Yu.Tanaka
Citrus × iwaikan Yu.Tanaka
Citrus × iyo Yu.Tanaka nom. inval.
Citrus × kotokan Hayata
Citrus × medioglobosa Yu.Tanaka
Citrus × mitsuharu Yu.Tanaka
Citrus × myrtifolia (Ker Gawl.) Raf.
Citrus × natsudaidai (Yu.Tanaka) Hayata
Citrus × omikanto Yu.Tanaka
Citrus × pseudogulgul Shirai
Citrus × rumphii Risso
Citrus × sinograndis Yu.Tanaka nom. inval.
Citrus × subcompressa (Tanaka) Yu.Tanaka
Citrus × sulcata Yu.Tanaka nom. inval.
Citrus × taiwanica Yu.Tanaka & Shimada
Citrus × tengu Yu.Tanaka nom. inval.
Citrus × tosa-asahi Yu.Tanaka
Citrus × vulgaris Risso
Citrus × yatsushiro Yu.Tanaka
Citrus × yuge-hyokan Yu.Tanaka
Water drop on a bitter orange leaf
The bitter orange , sour orange , Seville orange , bigarade orange , or marmalade orange is the hybrid citrus tree species Citrus × aurantium , and its fruit. It is native to Southeast Asia and has been spread by humans to many parts of the world. It is a cross between the pomelo, Citrus maxima , and the wild type mandarin orange, Citrus reticulata . The bitter orange is used to make essential oil , used in foods, drinks, and pharmaceuticals. The Seville orange is prized for making British orange marmalade .