Kauaʻi record · kba_plant_acacia_mearnsii
Black wattle
Acacia mearnsii
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About Black wattle
Black wattle (Acacia mearnsii) is an introduced tree treated as naturalized on Kauaʻi by Bishop Museum’s 2025 checklist and the 2026 Smithsonian checklist. Current extent is unassessed.
Kauaʻi evidence
Taxonomic identity, tree form, diagnostic morphology and island occurrence use the linked reviewed sources. Historical planting, cultivation, naturalization and invasive status are separate. Generated imagery is not occurrence evidence.
Names and classification
- Scientific name
- Acacia mearnsii
- Common names
- Black wattle · late black wattle · green wattle
- Other names
- Acacia mearnsii · black wattle · late black wattle · green wattle
- Record type
- Species
Kauaʻi occurrence and status
- Kauaʻi occurrence
- Recorded on Kauaʻi
- Origin
- Introduced
- Conservation status
- Not yet assessed
- Evidence date
- 2026-10-05
- Evidence limits
- Current extent is unassessed; public locality is island level only.
Habitat and ecology
- Habitats
- Not yet assessed
- Food and resource needs
- Not yet assessed
- Reproduction
- Not yet assessed
- Shelter
- Not yet assessed
- Growth form
- Woody tree
Threats and conservation
- Monitoring
- Not yet assessed
- Data gaps
- Current population extent and trajectory · Additional species-specific ecological and conservation sources
Process and seasonal context
- Seasonal timing
- Not yet assessed
- Seasonal description
- Black wattle (Acacia mearnsii) is an introduced tree treated as naturalized on Kauaʻi by Bishop Museum’s 2025 checklist and the 2026 Smithsonian checklist. Current extent is unassessed.
Sources and further reading
- https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:470860-1
- https://dlnr.hawaii.gov/hisc/info/invasive-species-profiles/black-wattle-acacia-mearnsii/
- https://hbs.bishopmuseum.org/publications/pdf/tr75.pdf
- https://dlnr.hawaii.gov/forestry/files/2013/02/Kaureport.pdf
- https://doi.org/10.5479/si.32124043