cyathea : Idioms & Phrases
cyathea medullaris
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noun a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides
silver tree fern; sago fern; black tree fern.
WordNet
genus cyathea
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noun type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands
Cyathea.
