343

Synonyms

None

Cultivar or taxon

Citrus x aurantium L., pro sp. [Grapefruit Group] (sensu Mabberley 1997, Bayer et al. 2009); Citrus paradisi Macfad. (sensu Swingle and Reece 1967; sensu Tanaka sec. Cottin 2002)

Description

Crown compact or dense, not weeping. First-year twig surface glabrous; second- or third-year twig surface striate; thorns absent or not persistent; prickles absent or not persistent. Petiole glabrous, length medium, wings medium or wide, adjoining the blade or tucking beneath blade. Leaflets one, margin bluntly toothed, shade leaflet blades flat or weakly conduplicate, sun leaflet blades weakly or strongly conduplicate. Scent of crushed leaflets sweetly orange-like, somewhat to strongly malodorous, or not scented. Fruit broader than long, as broad as long, or longer than broad; rind green-yellow (6), yellow (7-10) or yellow-orange (11); rind texture smooth (1-3) or slightly rough (4-5); navel absent; firmness leathery; flesh yellow; taste grapefruit-like.

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. 1997. A classification for edible Citrus (Rutaceae). Telopea 7: 167–172.

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 NCBI Entrez

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

           Habit (Riverside, CA)

Habit (Riverside, CA)

             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)

           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)

           Sun leaves (Riverside, CA)

Sun leaves (Riverside, CA)

           Sun leaves (Riverside, CA)

Sun 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 (Riverside, CA)

Fruit (Riverside, CA)

             Fruit cross-section (Riverside, CA)

Fruit cross-section (Riverside, CA)