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1 definition found

From: WordNet (r) 2.0

 subdivision Gnetophytina
      n : gymnospermous flowering plants; supposed link between
          conifers and angiosperms; in some systems classified as a
          class (Gnetopsida) and in others as a subdivision
          (Gnetophytina or Gnetophyta) [syn: Gnetopsida, class
           Gnetopsida, Gnetophytina, Gnetophyta]