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equisetoid

[ek-wuh-see-toid]
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noun
  1. any plant of the phylum or division Equisetophyta (or Sphenopsida), including the horsetails and many extinct species of the Carboniferous Period.

Origin of equisetoid

< New Latin Equiset(um) equisetum + -oid
Also called sphenopsid.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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