Lisboa Frost (sec. Cottin 2002)
Citrus x limon (L.) Osbeck, pro sp. (sensu Mabberley 1997, Bayer et al. 2009); Citrus limon (L.) Burm. f. [=Citrus x limon (L.) Osbeck, pro sp.] (sensu Swingle and Reece 1967)
Hodgson (1967) noted that: "Frost is at present the only known nucellar selection of Lisbon available. It was derived in 1917 by H. B. Frost of the Citrus Research Station, Riverside, and was released about 1950. Seedling budlines presumed to be of nucellar origin have recently been derived from some of the most popular California clonal selections, however, and currently are being planted to some extent."
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 short; wings absent. Leaflets one, margin serrate/serrulate, shade leaflet blades weakly conduplicate, sun leaflet blades weakly conduplicate. Scent of crushed leaflets freshly lemon-like. Fruit as broad as long or longer than broad; rind green-yellow (6), yellow (7-10), yellow-orange (11), or orange (12); rind texture slightly rough (4-5); firmness leathery; navel absent; flesh yellow; taste sour.
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.
Search for this cultivar in NCBI Entrez
Citrus ID Edition 2
October, 2011
idtools.org
