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Citrus reticulata Blanco x Citrus trifoliata L. (sensu Zhang and Mabberley 2008); Citrus reticulata Blanco var. austera Swingle x Poncirus trifoliata (L.) Raf. (sensu Swingle and Reece 1967); Citrus sunki (Hyata) hort. ex Tanaka x Poncirus trifoliata (L.) Raf. (sensu Tanaka sec. Cottin 2002; sec. NPGS/GRIN 2010)
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 long; wings narrow, adjoining the blade. Leaflets three, margin bluntly toothed, rachis wings absent, shade leaflet blades weakly conduplicate, sun leaflet blades weakly conduplicate. Scent of crushed leaflets spicy or peppery. Fruit as broad as long or longer than broad; rind yellow (7-10), yellow-orange (11), or orange (12); rind texture slightly rough (4-5); firmness leathery; navel absent; flesh orange; taste sour.
Cottin, R. 2002. Citrus of the World: A citrus directory. Version 2.0. France: SRA INRA-CIRAD.
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.
Zhang, D. and D.J. Mabberley. 2008. Citrus. In: Flora of China Editorial Committee (eds.). Flora of China, Vol. 11. Missouri Botanical Garden Press, St. Louis.Search for this cultivar in NCBI Entrez