Hyperaccumulation of nickel by Geissois species


Herbarium specimens of 17 species of Geissois were analysed for nickel, cobalt, chromium and iron with a view to discovering further hyperaccumulators of nickel (>1000 μg/g on a dry mass basis) in addition to the previously recordedG. pruinosa. A further six hyperaccumulators were discovered, all from New Caledonia. Unlike 90% of hyperaccumulators, Geissois is in Subclass Rosidae of the Magnioliate which it shares with three other hyperaccumulators (two species ofArgophyllum andPearsonia metallifera. The work highlights the remarkable concentration of hyperaccumulators in New Caledonia.

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Jaffre, T., Brooks, R.R. & Trow, J.M. Hyperaccumulation of nickel by Geissois species. Plant Soil 51, 157–161 (1979). https://doi.org/10.1007/BF02205937

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Key words

  • Accumulation
  • Chromium
  • Cobalt
  • Hyperaccumulates
  • Iron
  • Nickel