Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Euphorbiales Euphorbiaceae

Scientific Name: Euphorbia olowaluana
Species Authority: Sherff
Chamaesyce olowaluana (Sherff) Croizat & O.Deg.

Assessment Information [top]

Red List Category & Criteria: Near Threatened 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)
Chamaesyce olowaluana is endemic to the islands of Hawaii and Maui. The population is declining, however, currently little is known about the number of subpopulations or the range area of the species.
Previously published Red List assessments:
1998 Vulnerable (V)
1998 Vulnerable (VU)

Geographic Range [top]

Range Description: This species was once common over a wide altitudinal range on western Maui and Hawaii.
Countries occurrence:
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Current Population Trend: Decreasing
Additional data:

Habitat and Ecology [top]

Habitat and Ecology: Dry open forests up to 2,800 m.
Systems: Terrestrial

Threats [top]

Major Threat(s): Disturbance caused by grazing, conversion to pastureland and the consequent invasion of introduced grasses increasing the likelihood of serious fires have all contributed to the decline in this habitat.

Citation: Bruegmann, M.M. & Caraway, V. 2003. Euphorbia olowaluana. The IUCN Red List of Threatened Species 2003: e.T33603A9795166. . Downloaded on 05 October 2015.
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