seed fern

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Related to Seed ferns: Conifers, Pteridospermophyta

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 ?
Climbing and scrambling growth habits: Common life strategies among Late Carboniferous seed ferns.
a climbing neuropteroid seed fern from the Stephanian of central France.
The diversification of early arborescent seed ferns.