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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.


CCDBGymnospermsZamiaceaeEncephalartosEncephalartos horridus

4 chromosome counts in Encephalartos horridus:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Encephalartos horridus Encephalartos horridus (Jacq.) Lehm.   18 Darlington, 1955 Resende 1940
  Encephalartos horridus (Jacq.) Lehm. Encephalartos horridus (Jacq.) Lehm.   18 IPCN67-71 MARCHANT, C.J. 1968. Chromosome patterns and nuclear phenomena in the cycad families Stangeriaceae and zamiaceae. Chromosoma 24: 100-134.
!   Encephalartos horridus (Jacq.) Lehm. Encephalartos horridus (Jacq.) Lehm.   18 IPCN67-71 STOREY, W.B. 1968. Somatic reduction in cycads. Science 159: 648-650.
!   Encephalartos horridus (Jacq.) Lehm. Encephalartos horridus (Jacq.) Lehm.   18 Rastogi2019 Marchant CJ. Chromosome patterns and nuclear phenomena in the cycad families Stangeriaceae and Zamiaceae. Chromosoma. 1968;24:100–34.