Plant Systematics and Evolution

, Volume 144, Issue 1, pp 45–51 | Cite as

Evolution alpiner Populationen vonEuphrasia (Scrophulariaceae): Chromosomenzählungen an diploiden und polyploiden Sippen aus den Ostalpen

  • J. Greilhuber
  • E. Vitek
  • F. Ehrendorfer

Evolution in Alpine populations ofEuphrasia (Scrophulariaceae): Chromosome counts on diploid and polyploid taxa from the E. Alps


Chromosome counts are reported for several E. Alpine taxa ofEuphrasia sect.Euphrasia. First records of diploidy for small-flowered taxa are 2n = 22 forE. inopinata andE. sinuata, related toE. minima (4 x). Aberrant E. AlpineE. hirtella is 2 x, just as the typical W. Alpine populations of this species. Tetraploidy, 2n = 44, has been found inE. pumila, close toE. stricta (also 4 x). The limitation of ploidy levels within sect.Euphrasia to 2 x and 4 x on the chromosome base number x = 11 is confirmed.

Key words

Scrophulariaceae Rhinanthoideae Euphrasia E. hirtella (2 x) E. inopinata (2 x) E. minima (4 x) E. picta (2 x) E. pumila (4 x) E. rostkoviana (2 x) E. salisburgensis (4 x) E. sinuata (2 x) E. stricta (4 x) Chromosome counts polyploid complexes Flora of Austria 


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Copyright information

© Springer-Verlag 1984

Authors and Affiliations

  • J. Greilhuber
    • 1
  • E. Vitek
    • 1
  • F. Ehrendorfer
    • 1
  1. 1.Institut für BotanikUniversität WienWienÖsterreich

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