CCDB Header
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 → Amphiachyris → Amphiachyris dracunculoides (DC.) Nutt.

9 chromosome counts in Amphiachyris dracunculoides (DC.) Nutt.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Amphiachyris dracunculoides (DC.) Nutt. Amphiachyris dracunculoides (DC.) Nutt. 5(1)   Asteracea Solbrig et al. 1964 Amer. J. Bot.
  Xanthocephalum dracunculoides (DC.) Shinners Amphiachyris dracunculoides (DC.) Nutt. 5(1)   Asteracea Weedin & P. 1980 Taxon
  Amphiachyris dracunculoides (DC.) Nutt. Amphiachyris dracunculoides (DC.) Nutt. 4,5,5+1B   IPCN online Lane, M. A. 1982. Generic limits of Xanthocephalum, Gutierrezia, Amphiachyris, Gymnosperma, Greenella, and Thurovia (Compositae: Astereae). Syst. Bot. 7(4): 405–416.
  Amphiachyris dracunculoides (DC.) Nutt. Amphiachyris dracunculoides (DC.) Nutt. 4II   IPCN online Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325.
  Amphiachyris dracunculoides (DC.) Nutt. Amphiachyris dracunculoides (DC.) Nutt. 4,5+0-1B   IPCN online Lane, M. A. 1979. Taxonomy of the genus Amphiachyris (Asteraceae: Astereae). Syst. Bot. 4: 178–189.
  Xanthocephalum dracunculoides (DC.) Shinners Amphiachyris dracunculoides (DC.) Nutt. 5   IPCN online WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718.
!   Amphiachyris dracunculoides (DC.) Nutt. Amphiachyris dracunculoides (DC.) Nutt.   10 eFlora  
!   Amphiachyris dracunculoides (DC.) Nutt. Amphiachyris dracunculoides (DC.) Nutt.   10 Fedorov, 1974 Solbrig 1960a
!   Amphiachyris dracunculoides (DC.) Nutt. Amphiachyris dracunculoides (DC.) Nutt.   10 Fedorov, 1974 Solbrig et al. 1964