Hieracium bauhini group in Central Europe: chromosome numbers and breeding systems

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Authors

ROTREKLOVÁ Olga

Year of publication 2004
Type Article in Periodical
Magazine / Source Preslia
MU Faculty or unit

Faculty of Science

Citation
Field Botany
Keywords Compositae; cytogeography; Czech Republic; Germany; Hungary; Karyology; ploidy level; Poland; reproduction mode; Slovakia
Description Chromosome numbers for 239 plants of Hieracium bauhini group from 84 localities in the Czech Republic, Slovakia, Hungary, Germany and Poland are given, three ploidy level were detected: tetraploid (2n = 36), pentaploid (2n = 45, most populations) and hexaploid (2n = 54). Tetraploid plants occurred mainly in Slovakia and Hungary, pentaploids and hexaploids in the Czech Republic and Germany. Reproduction mode was studied in some plants: tetraploids were sexual, pentaploids and hexaploids were apomictic.
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