dryopteris definition

  • noun:
    • A large genus of polypodiaceous ferns, type of the tribe Dryopterideæ with fronds pinnate to tripinnate or dissected, the venation typically no-cost, while the sori roundish with exceptional cordato-reniform indusia fixed in the sinus.
    • large widespread genus of medium sized terrestrial ferns; in certain category methods put into Polypodiaceae

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