Noun genus cyathea has 1 sense
  1. Cyathea, genus Cyathea - type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands
    --1 is a kind of fern genus
    --1 is a member of Cyatheaceae, family Cyatheaceae
    --1 has members:
     silver tree fern, sago fern, black tree fern, Cyathea medullaris
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