Karyotypic study in some Iranian species and populations of Tulipa L. (Liliaceae)
Sheidai, M.; Shirin, Z.F.; Shadi, K.; Zehzad, B.
Caryologia 55(1): 81-89
Karyotypic studies were performed on 12 populations of 7 Iranian tulip species (Tulipa biflora, T. sorgdiana, T. humilis, T. montana var. montana, T. montana var. chrysantha, T. systola, T. hoogiana) for the first time. The species/populations possessed 2n=2x=24 chromosome number but varied in details of karyotype including type of chromosomes, karyotype symmetry and number of SAT-chromosomes and differed significantly in total chromatin length as well as length of chromosome arms. A pair of heteromorph chromosomes occurred in T. humilis. The use of karyotypic data in taxonomy of the genus Tulipa is discussed.