| Pak. J. Bot., 31(2): 301-305, 1999. | Back to Contents | ||||
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Updated: 25-11-10 | ||||
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CHROMOSOME STUDIES OF SOME SPECIES OF CENTAUREA SECTION ACROCENTRON (ASTERACEAE) FROM IRAN SEYYED MAHMOOD GHAFFARI Abstract: Original chromosome observations of seven species of the genus Centaurea (Sect. Acrocentron) are reported. Of these, counts for 3 taxa viz. C. irritance 'Wagenitz., C. persica Boiss, and C. sosnovskyi Grossh., are new 10 science. Meiotic behaviour of chromosomes and chiasmata frequency are noted here for the first time Basic chromosome numbers for section are x = 10 and x = 11. Institute of Biochemistry and Biophysics, Tehran University, P.O. Box 13145-1384, Tehran, Iran. |
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