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seed fern
noun
- any of various plants of the order Lyginopteridales (or Cycadofilicales), known only as fossils, having fernlike leaves and reproducing by means of seeds.
seed fern
noun
- another name for pteridosperm
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Word History and Origins
Origin of seed fern1
First recorded in 1925–30
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Example Sentences
The finds also include the remains of an ancient seed fern called Dicroidium, which could help to settle a debate over the species' history.
From Nature
This fragment of a fossilized seed fern was freed from the rock that preserved it using strong acid.Credit:
From Nature
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