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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 → Gymnosperms → Ephedraceae → Ephedra → Ephedra major Host

11 chromosome counts in Ephedra major Host:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Ephedra major Host Ephedra major Host   14 Flora Iberica Chromosome atlas of flowering plants. Darlintong, C. D. & A. P. Wylie.*(1955).
  Ephedra scoparia Lange Ephedra major Host 7 14 Flora Iberica Estudio histo-cariolgico de una Ephedra espaola. Martnez Vzquez, M.Gent. Ibr.11: 23-96(1959).
  Ephedra major subsp. major Ephedra major Host   14 Flora Europaea Geitler, 1929
  Ephedra major Host Ephedra major Host   14+0-2B IPCN online Chouhdry, S. A. & R. TANAKA. 1983. On the occurrence of accessory chromosomes in Ephedra major. Chromosome Inf. Serv. 35: 26–27.
  Ephedra major Host Ephedra major Host   14, 14+2 IPCN online Chouhdry, A. S. 1984. Karyomorphological and cytological studies in Ephedra. J. Sci. Hiroshima Univ., Ser. B,. 19: 57–109.
!   Ephedra nebrodensis Tineo Ephedra major Host   14 IPCN online Chouhdry, A. S. 1984. Karyomorphological and cytological studies in Ephedra. J. Sci. Hiroshima Univ., Ser. B,. 19: 57–109.
!   Ephedra major Host Ephedra major Host   14 Darlington, 1955 Geitler 1929a
!   Ephedra major Host Ephedra major Host   14+2 CromoCat 2015 Chouhdry, A. S. (1984). Karyomorphological and cytological studies in Ephedra. J. Sci. Hiroshima Univ., Ser. B. Div. 2(Botany) 19: 57-109
  Ephedra major Host Ephedra major Host   14 CromoCat 2015 Chouhdry, A. S. (1984). Karyomorphological and cytological studies in Ephedra. J. Sci. Hiroshima Univ., Ser. B. Div. 2(Botany) 19: 57-109
  Ephedra major Host Ephedra major Host   14+0-2B CromoCat 2015 Chouhdry, S. A. & Tanaka, R. (1983). On the occurrence of the accessory chromosomes in Ephedra major. Chromosome Inf. Serv. 35: 26-27
  Ephedra major Host Ephedra major Host   14+2 CromoCat 2015 Chouhdry, A. S. (1984). Karyomorphological and cytological studies in Ephedra. J. Sci. Hiroshima Univ., Ser. B. Div. 2(Botany) 19: 57-109