Plant · GBIF taxon 2650334
Hapuʻu Tree Fern
Cibotium chamissoiAlso known as Chamisso's Tree Fern, Hawaiian Tree Fern, Hapu'u
Hapuʻu tree ferns form the structural backbone of Hawaii wet forest understories, filtering sunlight and creating microclimates for native flora. A thick coat of soft, golden-brown silky hairs called pulu covers the uncurling young fronds and trunk crown. These massive ferns act as living nursery logs, supporting orchids, mosses, and young native trees on their fibrous trunks.
EndemicFernRainforest
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
- Autotrophic (Photosynthesis)
Predators
- Feral Pigs
- Invasive Slugs
ThreatsFeral pig damage, invasive plants, habitat loss
HabitatsWet Montane Rainforests, Cloud Forests
Life span50–100+ years
Size / weightNot available
Classification
- FamilyCibotiaceae
- SpeciesCibotium chamissoi
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Safe to observe at a normal distance.
- What to notice
- Recognizable by its tall fibrous trunk topped with massive arching fronds and soft golden pulu hairs.
- Support conservation
- Observe strictly from marked trails without stepping onto the delicate mossy substrate surrounding the trunk.
Responsible observation
- Observation: Look for the silky, golden-brown pulu hairs coating the uncurling fiddleheads at the top of the trunk.
- Trail Etiquette: Stay on designated boardwalks to protect fragile surface roots from trail compaction.
- Photography: Capture light filtering through the massive, finely dissected fronds against the dark rainforest canopy.
Frequent Companion (c) Kevin Faccenda, some rights reserved (CC BY), uploaded by Kevin Faccenda · cc-by
Competitor no rights reserved, uploaded by cwarneke · cc0
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