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Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics







CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.


CCDB → Angiosperms → Rosaceae → Pyrus → Pyrus communis L.

17 chromosome counts in Pyrus communis L.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Pyrus communis L. Pyrus communis L.   34 Poland Database Pogan E., Wcis?o H., Jankun A. et al. 1980 b. Further studies in chromosome numbers of Polish Angiosperms. Part XIII. Acta Biol. Cracov. Ser. Bot. 22, 37-69.
  Pyrus communis L. Pyrus communis L.   34 IPCN online Gladkova, V. N. & L. I. Sveschnikova. 1990. On the cytosystematics of the genus Pyrus (Rosaceae). Bot. Žhurn. (Moscow & Leningrad) 75: 1261–1264.
  Pyrus communis L. Pyrus communis L.   34 IPCN online Chen, R. y. 1993. (editor), Chromosome Atlas of Chinese Fruit Trees and Their Close Wild Relatives. Chromosome Atlas Chin. Princ. Econ. Pl. 1.
  Pyrus communis L. Pyrus communis L.   34 IPCN online Pogan, E., H. Wcislow & A. Jankun. 1980. Further studies in chromosome numbers of Polish Angiosperms Part XlIl. Acta Biol. Cracov., Ser. Bot. 22: 37–69.
  Pyrus communis L. Pyrus communis L.   34 IPCN67-71 ZIELINSKI, Q. B., & M. M. THOMPSON. 1967. Speciation in Pyrus: chromosome number and meiotic behaviour. Bot. Gaz. 128: 109-112.
!   Pyrus communis var. sativa (DC.) DC. Pyrus communis L.   34 eFlora  
  Pyrus communis L. Pyrus communis L.   34 Fedorov, 1974 Phl6HH 1926
  Pyrus communis L. Pyrus communis L.   34 Fedorov, 1974 Lawrence 1930
  Pyrus communis L. Pyrus communis L.   34 Fedorov, 1974 Moffett 1931a, b
  Pyrus communis L. Pyrus communis L.   34 Fedorov, 1974 Adati 1933
  Pyrus communis L. Pyrus communis L.   34 Fedorov, 1974 Tischler 1934
  Pyrus communis L. Pyrus communis L.   34 Fedorov, 1974 Delay 1947
  Pyrus communis L. Pyrus communis L.   34, 51 Fedorov, 1974 Uhlik 1961
  Pyrus communis L. Pyrus communis L.   34, 51 Cave1963 Uhlfk 1961
  Pyrus communis L. Pyrus communis L.   34 CromoCat 2015 Chen, R.-y. (1993). Chromosome Atlas of Chinese Fruit Trees and Their Close Wild Relatives. Chromosome Atlas of Chinese Principal Economic Plants 1.
  Pyrus communis L. Pyrus communis L.   34 CromoCat 2015 Gladkova, V. N. & Sveschnikova, L. I. (1990). On the cytosystematics of the genus Pyrus (Rosaceae). Bot. Žurn. 75: 1261-1264.
  Pyrus communis L. Pyrus communis L.   34 CromoCat 2015 Pogan, E., H. Wisclo & A. Jankun. (1980). Further studies in chromosome numbers of Polish Angiosperms. Part XIII. Acta Biol. Cracov., Ser. Bot. 22: 37-69.