seed fern


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Related to seed fern: ginkgo

seed fern

[′sēd ‚fərn]
(paleobotany)
The common name for the extinct plants classified as Pteridospermae, characterized by naked seeds borne on large, fernlike fronds.
References in periodicals archive ?
A climbing late Palaeozoic seed fern with adhesive tendrils: An early finding of shock-absorbing anchoring structures in fossil climbing plants.
The large number of seed ferns that possess climber hooks indicates that this scrambling/climbing strategy was effective.
Climbing and scrambling growth habits: Common life strategies among Late Carboniferous seed ferns.