Fraser Seville

Synonyms

None

Cultivar or taxon

Citrus x aurantium L., pro sp. [Sour Orange Group] (sensu Mabberley 2004, Bayer et al. 2009); Citrus aurantium L. (sensu Hodgson 1967; sensu Tanaka sensu Cottin 2002)

Description

Crown compact or dense, not weeping. First-year twig surface pubescent; second- or third-year twig surface striate; thorns absent or not persistent; prickles absent or not persistent. Petiole glabrous or pubescent, length medium; wings narrow or medium, adjoining the blade. Leaflets one, margin crenate/crenulate, shade leaflet blades weakly conduplicate, sun leaflet blades weakly conduplicate. Scent of crushed leaflets sweetly orange-like or spicy or peppery. Fruit broader than long, as broad as long, or longer than broad; rind yellow (7-10), yellow-orange (11), orange (12), or red-orange (13); rind texture smooth (1-3) or slightly rough (4-5); firmness leathery; navel absent; flesh orange; taste sour.

References

Bayer, R.J., D.J. Mabberley, C. Morton, C.H. Miller, I.K. Sharma, B.E. Pfeil, S. Rich, R. Hitchcock, and S. Sykes. 2009. A molecular phylogeny of the orange subfamily (Rutaceae: Aurantioideae) using nine cpDNA sequences. American Journal of Botany 96: 668–685.

Cottin, R. 2002. Citrus of the World: A citrus directory. Version 2.0. France: SRA INRA-CIRAD.

Mabberley, D.J. 2004. Citrus (Rutaceae): A review of recent advances in etymology, systematics and medical applications. Blumea 49: 481–498.

Swingle, W.T. and P.C. Reece. 1967. The botany of Citrus and its wild relatives. In: Reuther, W., H.J. Webber, and L.D. Batchelor (eds.). The Citrus industry. Ed. 2. Vol. I. University of California, Riverside. http://lib.ucr.edu/agnic/webber/Vol1/Chapter3.html.

Resources

Search for this cultivar in NPGS/GRIN1

Search for this cultivar in NCBI2 Entrez

Additional information on this cultivar at University of California: Riverside Citrus Variety Collection

1GRIN: Germplasm Resources Information Network; NPGS: National Plant Germplasm System

2NCBI: National Center for Biotechnology Information

           Bark (Riverside, CA)

Bark (Riverside, CA)

           First year twig (Riverside, CA)

First year twig (Riverside, CA)

             Second - third year twig (Riverside, CA)

Second - third year twig (Riverside, CA)

             Petiole (Riverside, CA)

Petiole (Riverside, CA)

             Petiole (Riverside, CA)

Petiole (Riverside, CA)

             Petiole (Riverside, CA)

Petiole (Riverside, CA)

             Petiole (Riverside, CA)

Petiole (Riverside, CA)

             Petiole (Riverside, CA)

Petiole (Riverside, CA)

             Unifoliolate leaf (Riverside, CA)

Unifoliolate leaf (Riverside, CA)

             Unifoliolate leaf (Riverside, CA)

Unifoliolate leaf (Riverside, CA)

             Margin (Riverside, CA)

Margin (Riverside, CA)

             Margin (Riverside, CA)

Margin (Riverside, CA)

             Margin (Riverside, CA)

Margin (Riverside, CA)

             Shade leaves (Riverside, CA)

Shade leaves (Riverside, CA)

             Sun leaves (Riverside, CA)

Sun leaves (Riverside, CA)

             Sun leaves (Riverside, CA)

Sun leaves (Riverside, CA)

           Fruit (Riverside, CA)

Fruit (Riverside, CA)

             Fruit cross-section (Riverside, CA)

Fruit cross-section (Riverside, CA)