Myrtaceae
Nioi
Eugenia koolauensis
- Family
- Myrtaceae
- Genus
- Eugenia
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Common names
By language (3)
- arz
- يوجينيا كولاوينسيس
- English
- Nioi, Koʻolau eugenia
- Hawaiian
- Nioi, Nīoi
Synonyms
- Eugenia molokaiana K.A.Wilson & Rock
Characteristics
- Growth habit
- Shrub, Tree
- Lifespan
- Perennial
- In the US and Canada
- Hawaii: native
Photos

Photo: David Eickhoff, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff, CC BY 2.5, from Wikimedia Commons
More in Eugenia
- Surinam cherryEugenia unifloraMyrtaceae
- GrumichamaEugenia brasiliensisMyrtaceae
- Araca-boiEugenia stipitataMyrtaceae
- Eugenia bojeriMyrtaceae
- Cedar Bay cherryEugenia reinwardtianaMyrtaceae
- Eugenia uruguayensisMyrtaceae
- Eugenia dysentericaMyrtaceae
- Boxleaf stopperEugenia foetidaMyrtaceae
- Eugenia involucrataMyrtaceae
- Eugenia luschnathianaMyrtaceae
- Eugenia buxifoliaMyrtaceae
- Eugenia candolleanaMyrtaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.