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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 → Cactaceae → Cylindropuntia → Opuntia ramosissima Engelm.

5 chromosome counts in Opuntia ramosissima Engelm.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Opuntia ramosissima Engelm. Cylindropuntia ramosissima (Engelm.) F. M. Knuth 11, 22   IPCN online Pinkava, D. J., M. A. Baker, B. D. Parfitt, M. W. Mohlenbrock & R. D. Worthington. 1985. Chromosome numbers in some cacti of western North America-V. Syst. Bot. 10: 471–483.
  Opuntia ramosissima Engelm. Cylindropuntia ramosissima (Engelm.) F. M. Knuth 11 44 IPCN online Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113.
  Opuntia ramosissima Engelm. Cylindropuntia ramosissima (Engelm.) F. M. Knuth 11   IPCN online Pinkava, D. J., J. P. Rebman & M. A. Baker. 1998. Chromosome numbers in some cacti of western North America---VII. Haseltonia 6: 32–41.
!   Opuntia ramosissima Engelm. Cylindropuntia ramosissima (Engelm.) F. M. Knuth 11   IPCN73-74 PINKAVA, D.J., M.G. MCLEOD, L.A. MCGILL, & R.C. BROWN. 1973. Chromosome numbers in some cacti of western North America-II. Brittonia 25: 2-9.
!   Opuntia ramosissima Engelm. Cylindropuntia ramosissima (Engelm.) F. M. Knuth   22 IPCN73-74 YUASA, H., H. SHIMIZU, S. KASHIWAI, & N. KONDO. 1974. Chromosome numbers and their bearing on the geographic distribution in the subfamily Opuntioideae (Cactaceae). Rep. Inst. Breed. Research, Tokyo Univ. Agri. No. 4: 1-10.