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Phylogenetic origin and phased phylogenomic karyotypes of the sour orange (C. aurantium), the lemon (C. limon), the bergamot (C. bergamia) and the ‘Tahiti’ lime (C. latifolia). Red, C. reticulata; blue, C. maxima; yellow, C. medica; green, C. micrantha; grey, indeterminacy. The grey arrows indicate the cross between species, and the coloured arrows indicate whether the species contributes with x or 2x gametes.
