Hibiscadelphus hualalaiensis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Hibiscadelphus hualalaiensis
Species Authority: Rock

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 2.3
Year Published: 1998
Date Assessed: 1998-01-01
Needs updating
Assessor(s): World Conservation Monitoring Centre
1997 Endangered (Walter and Gillett 1998)

Geographic Range [top]

Range Description: Originally known from three subpopulations in Puuwaawaa on Hawaii. The genus is endemic to the Hawaiian Islands and is known from species which are Extinct or Critically Endangered.
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The last known wild tree died in 1992.

Habitat and Ecology [top]

Habitat and Ecology: The species' natural habitat is dry to moist forest on lava fields between 915 and 1,020 m.
Systems: Terrestrial

Threats [top]

Major Threat(s): The only remaining patches are heavily threatened by fire, grazers, invasive plants and ranching activities.

Conservation Actions [top]

Conservation Actions: A small number of cultivated trees have been reintroduced into two fenced sanctuaries. The species is classified as endangered on the US Endangered Species Act.

Citation: World Conservation Monitoring Centre 1998. Hibiscadelphus hualalaiensis. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 31 March 2015.
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