Cyathea medullaris, now classified as Sphaeropteris medullaris and commonly known as mamaku or black tree fern, is a large tree fern reaching up to 20 meters tall with a trunk as much as 20 centimeters in diameter at breast height. It is distributed across the southwest Pacific from Fiji to Pitcairn Island and is a common plant in the forests of New Zealand.
Facts
Classification
DietPhotosynthetic Autotroph 1 System (Realm) Relationship to PeopleEaten or Drunk by People 1 Scientific NameSphaeropteris medullaris 1 Conservation Status Comparison
CITES Appendix Connections
Child Taxon Of
Source Wikidata: Cyathea Medullaris
In the Other Atlases
Found In
Also in Geography Atlas: where this subject is found.
Also in Geography Atlas: where this subject is found.
Also in Geography Atlas: where this subject is found.
Sources
1. Wikipedia: Sphaeropteris medullaris
Wikipedia- Wikidata Q15600236 (P225 taxon name)
Taxonomy and etymology
The species epithet medullaris means pithy, referring to the white, edible substance found on the inside of the tree fern's trunk.
lead sentence (diet), EntityId 339102
Sphaeropteris medullaris, synonym Cyathea medullaris, commonly known as mamaku or black tree fern, is a large tree fern up to 20 m (66 ft) tall with a trunk up to 20 cm diameter at breast height.
lead paragraph (habitat realm), EntityId 339102
It is distributed across the south-west Pacific from Fiji to Pitcairn Island and is a common plant found in forests of New Zealand.
View the Source 2. UNEP-WCMC Species+ database (CITES Secretariat): Species+: Cyathea medullaris
UNEP-WCMC Species+ database (CITES Secretariat)Species+ taxon_concepts, id 48771Quote, Species+ taxon_concepts, id 48771
"appendix":"II","change_type":"+","effective_at":"2026-03-05","annotation":"[GENUS listing Cyathea spp.] "
View the Source 3. GBIF (IUCN Red List category): GBIF IUCN Red List category for Sphaeropteris medullaris
GBIF (IUCN Red List category)GBIF taxon key 5529626, category fieldQuote, GBIF taxon key 5529626, category field
"category": "NOT_EVALUATED"
View the Source IUCN Red List of Threatened Species
Wikidata: Cyathea Medullaris
Child Taxon Of: Pteridophyta, Wikidata parent-taxon (P171) chainView the Source Reader Challenges (0)
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