cyathea : Idioms & Phrases
cyathea medullaris
-
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
-
noun type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands
Cyathea.