Clermontia pyrularia


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Clermontia pyrularia
Species Authority: Hillebr.
Common Name(s):
English Pear Clermontia

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Needs updating
Assessor(s): Bruegmann, M.M. & Caraway, V.
Reviewer(s): Maunder, M. (Plant Conservation Committee) & Pollock, C.M. (Red List Programme Office)
Clermontia pyrularia is endemic to the Island of Hawaii. It is known from one population, totaling 15 individuals. Threats include pigs, weeds, invertebrates, rats and humans.
1998 Critically Endangered

Geographic Range [top]

Range Description: Clermontia pyrularia is a small tree restricted to the Island of Hawaii. It is found on the northeast slope of Mauna Kea.
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: Mesic forest.
Systems: Terrestrial

Threats [top]

Major Threat(s): Invasive plants and the damage caused by feral pigs are thought to have contributed significantly to the species decline. Other threats include invertebrates, rats and humans

Conservation Actions [top]

Conservation Actions: Two populations have been planted in enclosures at Hakalau National Wildlife Refuge. It is classified as endangered by the US Endangered Species Act.

Bibliography [top]

IUCN. 2003. 2003 IUCN Red List of Threatened Species. Downloaded on 18 November 2003.

Oldfield, S., Lusty, C. and MacKinven, A. (compilers). 1998. The World List of Threatened Trees. World Conservation Press, Cambridge, UK.

U.S. Fish and Wildlife Service. 1996. Recovery plan for the Big Island plant cluster. U.S. Fish and Wildlife Service, Portland, Oregon.

U.S. Fish and Wildlife Service. 2003. Rare plant database. Unpublished.

Wagner, W., Herbst, D. and Sohmer, S. 1990. Manual of the flowering plants of Hawaii. University of Hawaii Press, Bishop Museum Press, Honolulu.

Wagner, W., Herbst, D. and Sohmer S. 1999. Manual of the Flowering Plants of Hawaii. Bernice Pauahi Bishop Museum Special Publication 91: 1-1918.

Citation: Bruegmann, M.M. & Caraway, V. 2003. Clermontia pyrularia. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 05 September 2015.
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