Karyotypes of nine Brazilian taxa of genus Hypochoeris were studied utilizing root‐tip mitotic metaphases. Two distinct groups were found. One group includes six species that showed high asymmetric bimodal karyotypes, while the second group has two species that have a karyotype similar to those observed in European species. All the species have karyotypes with 2n = 8 that are very uniform within each group, with only small morphological differences. Nucleolar organizing region and C‐band patterns are shown for H. brasiliensis.
Karyotypes of nine Brazilian taxa of genus Hypochoeris were studied utilizing root-tip mitotic metaphases. Two distinct groups were found. One group includes six species that showed high asymmetric bimodal karyotypes, while the second group has two species that have a karyotype similar to those observed in European species. All the species have karyotypes with 2n = 8 that are very uniform within each group, with only small morphological differences. Nucleolar organizing region and C-band patterns are shown for H. brasiliensis.
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