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Biologia Plantarum

, Volume 18, Issue 4, pp 311–313 | Cite as

The occurrence of two functioning megaspores in the ovules ofGalanthus nivalis L.

  • Ol’rsga Erdelská
Article
  • 37 Downloads

Abstract

InGalanthus nivalis ovules two haploid embryo sacs sometimes occur. One of them originates from the chalazal megaspore, the other from the above-chalazal one. The former is usually fertilized and pushes the latter to the lateral position.

Keywords

Outer Integument Mature Ovule Antipodal Cell Nucellar Cell Chalazal Megaspore 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Kabagiosowa, M. D.: Besonderheiten bei der doppelten Befruchtung und die Embryogenese vonGalanthus nivalis. -Dokl. bolg. Akad. Nauk23: 715–718, 1970.Google Scholar
  2. Maheshwari, P.: An Introduction to the Embryology of Angiosperms. - Me Graw-Hill; New York-Toronto-London 1950.CrossRefGoogle Scholar
  3. Rutishauser, A.: Embryologie und Fortpflanzungsbiologie der Angiospermen. - Springe Verlag, Wien-New York 1969.CrossRefGoogle Scholar
  4. Schlimmbach, H.: Beiträge zur Kenntnis der Samenanlagen und Samen der Amaryllidaceen mit Berücksichtigung des Wassergehaltes der Samen. - Flora17: 41–54, 1924.Google Scholar
  5. Stenar, A. H. S.: Embryologische Studien II. Die Embryologie der Amaryllidaceen. - Akad. Abhandl. Uppsala1: 1–197, 1925.Google Scholar

Copyright information

© Institute of Experimental Botany 1976

Authors and Affiliations

  • Ol’rsga Erdelská
    • 1
  1. 1.Institute of Experimental Biology and EcologySlovak Academy of SciencesBratislavaCzechoslovakia

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