Citrange - Citrus × Insitorum

Scientific classification

Kingdom:        Plantae

(unranked):     Angiosperms

(unranked):     Eudicots

(unranked):     Rosids

Order: Sapindales

Family:            Rutaceae

Genus: Citrus

Species:           C. × insitorum

Binomial name           Citrus × insitorum      Mabb. 2002

The citrange is a citrus hybrid of the sweet orange and the trifoliate orange.

The purpose of this cross was to attempt to create a cold hardy citrus tree (which is the nature of a trifoliate), with delicious fruit like those of the sweet orange. However, citranges are generally bitter.

Citrange is used as a rootstock for citrus in Morocco, but is not successful to prevent dry root rot, neither for exocortis disease.

There are several named citrange cultivars, including the 'Carrizo' citrange and the 'Troyer' citrange. Both resulted from a hybrid between the trifoliate orange and the Washington navel orange. There is also a cultivar called 'Rusk' which resulted from a cross between a Ruby orange and a trifoliate orange.