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Ultrastructure of Silica Deposits in Higher Plants

  • A. G. Sangster
  • D. W. Parry

Abstract

The element silicon enters plants as a component of water-soluble monosilicic acid, Si(OH)4 (Barber and Shone, 1966), which is transported subsequently through the root, stem, and leaves. In any of these organs, polymerization to the solid, hydrated oxide SiO2 · nH2O, known as opaline silica or as silica gel (Kaufman et al, 1970), may occur at tissue sites, frequently in close proximity to the transpiration stream (Frey-Wyssling, 1930) in diverse groups of vascular plants ranging from the horsetails, representing the Pteridophyta, to many families of flowering plants in the Spermatophyta. This chapter includes a selective review of the literature on silicification emphasizing anatomical and ultrastructural aspects of the process.

Keywords

Panicum Virgatum Intercellular Space Silicic Acid Seminal Root Tangential Wall 
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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Copyright information

© Springer-Verlag New York, Inc. 1981

Authors and Affiliations

  • A. G. Sangster
  • D. W. Parry

There are no affiliations available

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