Editing Citrus (section)

=== Fossil record ===

A [[fossil]] leaf from the [[Pliocene]] of [[Valdarno]], Italy is described as †''Citrus meletensis''.<ref>Citrus meletensis (Rutaceae), a new species from the Pliocene of Valdarno (Italy). Fischer, T.C. & Butzmann, Plant Systematics and Evolution – March 1998, Volume 210, Issue 1, pp 51–55. doi:10.1007/BF00984727</ref>
In China, fossil leaf specimens of †''Citrus linczangensis'' have been collected from late [[Miocene]] coal-bearing strata of the Bangmai Formation in [[Yunnan]] province. ''C. linczangensis'' resembles ''C. meletensis'' in having an intramarginal vein, an entire margin, and an articulated and distinctly winged [[Petiole (botany)|petiole]].<ref>{{cite journal |last1=Xie |first1=Sanping Xie |last2=Manchester |first2=Steven R. |last3=Liu |first3=Kenan |last4=Sun |first4=Bainian |title=''Citrus linczangensis'' sp. n., a Leaf Fossil of Rutaceae from the Late Miocene of Yunnan, China |journal=International Journal of Plant Sciences |date=October 2013 |volume=174 |issue=8 |pages=1201–1207| doi=10.1086/671796 |bibcode=2013IJPlS.174.1201X }}</ref>