Noun gnetales has 1 sense
  1. Gnetales, order Gnetales - chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered close to the ancestral line of angiosperms
    --1 is a kind of plant order
    --1 is a member of
     Gnetopsida, class Gnetopsida, Gnetophytina, subdivision Gnetophytina, Gnetophyta
    --1 has members:
     Gnetaceae, family Gnetaceae; Ephedraceae, family Ephedraceae; Welwitschiaceae, family Welwitschiaceae
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