, Volume 25, Issue 1, pp 188–192 | Cite as

Note on the cytology ofCrocus

  • Kôtarô Karasawa


  1. 1.

    EightCrocus species were studied cytologically, two of which especially referred to the behaviour of the meiotic chromosomes.

  2. 2.

    The somatic chromosome numbers were detected to be 10 inC.ancyrensis, 6 and 12+8f in two strains ofC. hyemalis, and 12 inC. susianus minor, respectively.

  3. 3.

    The meiotic chromosome numbers were found to be 5 inC. ancyrensis, probably 4 bivalents and 1 univalent inC. banaticus, 7 inC. Heufellianus, 11 in each ofC. corsicus, C. dalmaticus and 13 inC. nivius, respectively.



Chromosome Number Abnormal Chromosome Mature Pollen Somatic Chromosome Meiotic Chromosome 
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  1. Karasawa, K. (1940). Karyological studies inCrocus II. Jap. Jour. of Bot., 11: 129–140.Google Scholar
  2. — (1942), List of the chromosome numbers in the genusCrocus. Proc. Imp. Acad. Tokyo, 18: 117–122.Google Scholar
  3. — (1943), Karyological studies inCrocus III. Jap. Jour. of Bot., 12: 475–503.Google Scholar
  4. Pathak, G. N. (1940), Studies in the cytology ofCrocus. Ann. of Bot., N.S. 4: 227–256.CrossRefGoogle Scholar
  5. Propach, H. (1939), Cytogenetik bei Zierpflanzen (Sammelreferat). Züchter, 11: 174–184.Google Scholar

Copyright information

© Martinus Nijhoff, The Hague 1951

Authors and Affiliations

  • Kôtarô Karasawa
    • 1
  1. 1.Nasu Cyto-genetic LaboratoryJapan

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