Abstract

Data on the chromosome counts of ten taxa of the genus Galium are reported from northeastern Iran. Two basic chromosome numbers, i.e. x = 10 and x = 11, as well as three ploidy levels, i.e. 2x, 4x and 6x are reported. Both diploid and polyploidy levels are observed. Aneuploidy was only observed in G. aparine. The chromosome numbers of the following taxa are counted for the first time: G. diploprion, G. humifusum, G. nigricans with 2n = 22 and G. spurium subsp. ibicinum with 2n = 20. The new data are compared with previous karyological information, and are discussed. (© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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