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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 → Compositae → Xanthocephalum → Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook.

9 chromosome counts in Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Xanthocephalum gymnospermoides var. gymnospermoides Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6(10)   Asteracea Lane 1982 Syst. Bot.
!   Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6(1)   Asteracea Turner et al. 1962 Rhodora
!   Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6(2) 12(2) Asteracea Solbrig 1959 Ph. D. Thesis, Univ. of California, Berkley, (U. S. A.)
!   Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6II   IPCN online Carr, G. D., R. M. King, A. M. Powell & H. Robinson. 1999. Chromosome numbers in Compositae. XVIII. Amer. J. Bot. 86(7): 1003–1013.
  Xanthocephalum gymnospermoides var. gymnospermoides Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6   IPCN online Lane, M. A. 1982. Generic limits of Xanthocephalum, Gutierrezia, Amphiachyris, Gymnosperma, Greenella, and Thurovia (Compositae: Astereae). Syst. Bot. 7(4): 405–416.
  Xanthocephalum gymnospermoides var. gymnospermoides Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6II   IPCN online Keil, D. J., M. A. Luckow & D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. Amer. J. Bot. 75: 652–668.
!   Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook.   12 eFlora  
!   Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6   Cave1962 Turner et al. 1962
!   Xanthocephalum gymnospermoides subsp. gymnospermoides Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. 6   Cave1963 DeJong & Long, 1963