KARYOMORPHOLOGICAL STUDY OF SEVEN SPECIES OF THE GENUS ASTRAGALUS (FABACEAE) FROM IRAN
Karyomorphological study was carried out on 11 accessions from 6 sections belonging to 7 species of Astragalus growing in Iran. Chromosome numbers and karyotypes of two species (A. cephalanthus DC. and A. jacobsii Podlech) are new records. Two ploidy levels 2n = 2x = 16 and 2n = 4x = 32 were determined, the chromosomes size varied from 2.51 in A. cyclophyllos to 3.79 μm in A. fasciculifolius Boiss. in two accessions of A. cyclophyllos , a single pair satellite chromosomes were observed.
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