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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.


CCDBAngiospermsRanunculaceaeHelleborusHelleborus ×nigercors None

1 chromosome count in Helleborus ×nigercors None:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Helleborus ×nigercors None Helleborus ×nigercors A. Wall   32 C-values database Meiners J, Debener T, Schweizer G, Winkelmann T. 2011. Analysis of the taxonomic subdivision within the genus Helleborus by nuclear DNA content and genome-wide DNA markers. Scientia Horticulturae 128: 38-47.