CCDBAngiospermsRosaceaeRosaRosa sayi Schwein.

2 chromosome counts in Rosa sayi Schwein.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Rosa sayi Schwein. Rosa acicularis subsp. sayi (Schwein.) W. H. Lewis   42 IPCN online Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360.
!   Rosa sayi Schwein. Rosa acicularis subsp. sayi (Schwein.) W. H. Lewis   42 IPCN67-71 LOEVE, A, D. LOEVE, & B.M. KAPOOR. 1971. Cytotaxonomy of a century of Rocky Mountain orophytes. Arctic & Alpine Res. 3: 139-165.