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New chromosome numbers inTaraxacum with reference to SAT-chromosomes

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Abstract

Chromosome numbers of eight agamospermousTaraxacum microspecies are reported for the first time:T hypanicum Tzvel. [sect.Dioszegia (Heuff.) Heuff.,T. neosivaschicum Tzvel. [sect.Palustria (Lindb, fil.)Dahlst.],T. pseudohoppeanum Kirschner etŠtěpánek (sect.Erythrocarpa Dahlst.),T. schroeterianum H.-M. (sect.Rhodocarpa Van Soest),T. marmottae C.E. Sonck,T. lambinonii Van Soest [sect.Erythrosperma (Lindb. fil.)Dahlst.],T. zermattense Dahlst, andT. magnoobliquum Van Soest (taxa of uncertain classification). All these polyploid microspecies have satellite chromosomes in their karyotypes. Advanced karyological characters were found in sect.Dioszegia, hitherto regarded as a primitive section ofTaraxacum: triploidy in agamospermousT. hypanicum Tzvel. and satellite chromosomes as in this taxon, as in two diploid sexualsT. serotinum (W. et K.)Poiret andT. haussknechtii Uechtr. The results presented are compared to the literature data.

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  1. Institute of Botany, Academy of Sciences of the Czech Republic, 252 43, Průhonice, Czech Republic

    Anna Krahulcová

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  1. Anna Krahulcová
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Krahulcová, A. New chromosome numbers inTaraxacum with reference to SAT-chromosomes. Folia geobot. phytotax. 28, 289–294 (1993). https://doi.org/10.1007/BF02853516

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  • DOI: https://doi.org/10.1007/BF02853516

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