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







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CCDB → Angiosperms → Cactaceae → Opuntia → Opuntia 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.