{# load django_bootstrap5#%} CCDB server
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 it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsCactaceaeOpuntiaOpuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult.

7 chromosome counts in Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. Opuntia polyacantha Haw.   22 IPCN online WEEDIN, J. F., A. M. Powell & D. O. Kolle. 1989. Chromosome numbers in Chihuahuan Desert Cactaceae. II. Trans-Pecos Texas. S. W. Naturalist 34: 160–164.
!   Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. Opuntia polyacantha Haw. 11   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 polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. Opuntia polyacantha Haw.   ca 44 IPCN online WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718.
!   Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. Opuntia polyacantha Haw.   22 IPCN online Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537.
!   Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. Opuntia polyacantha Haw. 11II   IPCN online Powell, A. M. & J. F. Weedin. 2005. Documented chromosome numbers 2005: 2. Counts from western Texas, mostly trans-Pecos cacti. Sida 21(3): 1665–1668.
!   Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. Opuntia polyacantha Haw.   22 IPCN75-78 Weed in & Powell 1978a
!   Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. Opuntia polyacantha Haw.   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.