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Colubrina oppositifolia 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Rhamnales Rhamnaceae

Scientific Name: Colubrina oppositifolia
Species Authority: Brongn. ex H.Mann

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A2a ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Annotations:
Needs updating
Assessor(s): Bruegmann, M.M. & Caraway, V.
Reviewer(s): Maunder, M. (Plant Conservation Committee) & Pollock, C.M. (Red List Programme Office)
Justification:
Colubrina oppositifolia is endemic to the islands of Hawaii, Maui and Oahu. The population has suffered a decline of at least 80% over the last three generations. In the past, this was a forest dominant species, now it is relatively rare. Currently known from ten subpopulations, totaling 280–300 individuals.
Previously published Red List assessments:

Geographic Range [top]

Range Description:There are 10 extant populations in the Waianae Mountains on Oahu, in the Kohala Mountains, Muana Loa and Hualalai on Hawaii and a recently discovered individual on Maui.
Countries occurrence:
Native:
United States (Hawaiian Is.)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:One of the hardest native woods, the species was heavily harvested by ancient Hawaiians and is now only rarely found. It has been estimated that there are 280–300 individuals.
Current Population Trend:Decreasing
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Dry to moist forest up to 920 m altitude.
Systems:Terrestrial

Threats [top]

Major Threat(s): The spread of alien plants, fire, damage caused by feral pigs and goats, and the black twig borer are among the major threats to remaining population. There is also a possible threat from rats.

Conservation Actions [top]

Conservation Actions: The species is classified as endangered by the US Endangered Species Act.

Citation: Bruegmann, M.M. & Caraway, V. 2003. Colubrina oppositifolia. The IUCN Red List of Threatened Species 2003: e.T30915A9588935. . Downloaded on 26 June 2017.
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