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Definition of Flowering fern
1. Noun. Australasian fern with clusters of sporangia on stems of fertile fronds.
Exact synonyms: Helminthostachys Zeylanica
Generic synonyms: Fern
Group relationships: Genus Helminthostachys, Helminthostachys
Generic synonyms: Fern
Group relationships: Genus Helminthostachys, Helminthostachys
2. Noun. Any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters.
Exact synonyms: Osmund
Generic synonyms: Fern
Group relationships: Genus Osmunda
Specialized synonyms: Ditch Fern, French Bracken, King Fern, Osmunda Regalis, Royal Fern, Royal Osmund, Interrupted Fern, Osmunda Clatonia, Cinnamon Fern, Fiddlehead, Fiddlehead Fern, Osmunda Cinnamonea
Generic synonyms: Fern
Group relationships: Genus Osmunda
Specialized synonyms: Ditch Fern, French Bracken, King Fern, Osmunda Regalis, Royal Fern, Royal Osmund, Interrupted Fern, Osmunda Clatonia, Cinnamon Fern, Fiddlehead, Fiddlehead Fern, Osmunda Cinnamonea