None
Citrus maxima (Burm.) Merr. (sensu Mabberley 1997, Bayer et al. 2009; sensu Tanaka sensu Cottin 2002); Citrus grandis (L.) Osbeck (sensu Swingle and Reece 1967)
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 pubescent, length medium or long; wings narrow, medium or wide, adjoining the blade or tucking beneath blade. Leaflets one, margin entire, shade leaflet blades flat, sun leaflet blades flat or weakly conduplicate. Leaflets not scented when crushed. Fruit as broad as long or longer than broad; rind green-yellow (6), yellow (7-10), or yellow-orange (11); rind texture slightly rough (4-5); firmness leathery; navel absent; flesh red/purplish-tinged; taste grapefruit-like.
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.
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Habit (Winter Haven, FL) |
Bark (Winter Haven, FL) |
First year twig (Winter Haven, FL) |
Second - third year twig (Winter Haven, FL) |
Second - third year twig (Winter Haven, FL) |
Petiole (Winter Haven, FL) |
Petiole (Winter Haven, FL) |
Unifoliolate leaf (Winter Haven, FL) |
Unifoliolate leaf (Winter Haven, FL) |
Unifoliolate leaf (Winter Haven, FL) |
Margin (Winter Haven, FL) |
Shade leaves (Winter Haven, FL) |
Shade leaves (Winter Haven, FL) |
Shade leaves (Winter Haven, FL) |
Sun leaves (Winter Haven, FL) |
Sun leaves (Winter Haven, FL) |
Fruit (Winter Haven, FL) |
Fruit (Winter Haven, FL) |
Fruit (Winter Haven, FL) |
Fruit (Winter Haven, FL) |
Fruit (Winter Haven, FL) |
Fruit (Winter Haven, FL) |
Fruit cross-section (Winter Haven, FL) |
Fruit cross-section (Winter Haven, FL) |