Osmunda regalis

Thesaurus

Noun

1.

Osmunda regalis - large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted frondsditch fern, French bracken, royal fern, royal osmund, king fernosmund, flowering fern - any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters