This tool is part of the Citrus Resource

Citrus ID

 

Sweet Oranges (Common)

 

Synonyms

 

Citrus aurantium [var.] sinensis L.; Aurantium sinensis; Citrus aurantium Lour. (non L.); C. aurantium Risso (non L.); C. aurantium [var.] vulgare; C. aurantium [var.] dulce Hayne. (sec. Swingle and Reece 1967)

Cultivar or taxon

 

Citrus x aurantium L., pro sp. [Sweet Orange Group] (sensu Mabberley 1997, Bayer et al. 2009); Citrus sinensis (L.) Osbeck (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, recurved (by misinterpretation) or straight; prickles absent or not persistent. Petiole glabrous, length short, medium, rarely long; wings absent, if present, narrow, medium, wide, adjoining the blade or tucking beneath blade. Leaflets one, margin entire, crenate/crenulate or bluntly toothed, shade leaflet blades flat, weakly conduplicate, rarely strongly conduplicate, sun leaflet blades flat, weakly or strongly conduplicate. Scent of crushed leaflets sweetly orange-like, rarely spicy, peppery, or not scented. Fruit broader than long, as broad as long, or longer than broad; rind green-yellow (6), yellow (7-10), yellow-orange (11), orange (12), red-orange (13), and rarely variegated; rind texture smooth (1-3), slightly rough (4-5), or medium rough (6-7); firmness leathery; navel absent; flesh orange or red/purplish-tinged; taste acidic-sweet.

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, NCBI Nucleotide, NCBI Expressed Sequence Tags

 

Citrus ID Edition 2
October, 2011
idtools.org