Abstract
Karyomorphological studies in a local population ofD. kirkii have revealed the somatic chromosome number of 2n=68. This is a new number and has made the cytological situation in the genus more complex in respect of the basic chromosome number. The chromosomes form a graded series with 4 pairs of satellited chromosomes. On the basis of the present observations a tetraploid level of a complex category has been suggested for this species. An analysis of meiotic stages and the chromosome number in the pollen grains is suggestive of the presence of 1–4 supernumerary chromosomes in the genome of the taxon.
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