Abstract
The widely distributedAllium ericetorum and the local endemic of the Steiner Alps (Slovenia),A. kermesinum, are two closely related species of sect.Rhizirideum, whose main distinguishing character is perianth colour. To obtain further evidence for species separation, karyotype morphology and C-banding patterns were examined in 10 populations. The chromosome number was 2n = 16. In some populations ofA. ericetorum a B-chromosome occurred. Arm and satellite lengths and C-banding patterns were subjected to cluster analysis. Three different karyotype classes were observed and described. Karyotypes did not clearly discriminate between plants with different colours of perianth segments and therefore did not provide evidence for a taxonomic separation ofA. ericetorum and A. kermesinum. There is polymorphism in number and patterns of C-bands within the populations. No correlation between B-chromosomes and particular banding patterns was observed.
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Wetschnig, W. Giemsa C-banded karyotypes ofAllium ericetorum andA. kermesinum (Alliaceae). Pl Syst Evol 195, 45–59 (1995). https://doi.org/10.1007/BF00982314
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DOI: https://doi.org/10.1007/BF00982314