Abstract
Three cultivated varieties of Narcissus tazetta, ‘Grand Soleil d'Or’, ‘Chinese Sacred Lily’ and ‘Cypri’, are triploid (2n = 3x+30) with the basic number 10. ‘Grand Soleil d'Or’ has three homomorphic sets, each comprising 2 long submetacentrics, 4 long acrocentrics and 4 short acrocentrics. Karyotypes of the other two varieties are heteromorphic. Both possess one telocentric satellited chromosome. In addition, ‘Cypri’ shows translocation between two chromosomes belonging to the seventh and eighth triplets. The number of secondary constrictions varies between 3 (‘Chinese Sacred Lily’) and 4 (‘Grand Soleil d'Or’ and ‘Cypri’) which is also the number of nucleoli observed in the respective varieties.
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