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Abstract

Stomatal structure and stomatogenesis in Azolla pinnata R. Brown.

Abstract

A stoma in A. pinnata consists of a unicelled binucleate guard cell with a pore, and one or more subsidiary cells towards the proximal side. Stomatal development is of the polocytic or mesoperigenous anomocytic type except that the guard-cell mother cell fails to form 2 distinct guard cells because of restricted cytokinesis. Similarities and differences between the stoma of A. pinnata and that of the fossil lycopod Zosterophyllum myretonianum are discussed.

Abstract details

  • Author Affiliation
  • Dep. of Bot., Kalyani Univ., Kalyani 741 235, West Bengal, India.
  • ISSN
  • 0305-7364
  • Language of Summary
  • English
  • Record Number
  • 19840754300