Cyathea medullaris

Thesaurus

Noun

1.Cyathea medullaris - a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersidesblack tree fern, sago fern, silver tree ferntree fern - any of numerous usually tropical ferns having a thick woody stem or caudex and a crown of large fronds; found especially in Australia and New Zealand; chiefly of the families Cyatheaceae and Marattiaceae but some from PolypodiaceaeCyathea, genus Cyathea - type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands