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Pronunciation: as-pid′ē-ŭm

Definition: The rhizomes and stipes of Dryopteris filixmus (European aspidium or male fern), or of D. marginalis (American aspidium or marginal fern, family Polypodiaceae); an anthelmintic.

[G. aspidion, a little shield, dim. of aspis, shield]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.