Noun: black tree fern
- A showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides
"black tree ferns can grow up to 10 meters tall in their native habitat";
- silver tree fern, sago fern, Cyathea medullaris
Derived forms: black tree ferns
Type of: tree fern
Part of: Cyathea, genus Cyathea
Encyclopedia: Black tree fern