Euphorbia kuwaleana 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Malpighiales Euphorbiaceae

Scientific Name: Euphorbia kuwaleana O.Deg. & Sherff
Chamaesyce kuwaleana (O.Deg. & Sherff) O.Deg. & I.Deg.
Taxonomic Source(s): Wagner, W.L., Herbst, D.R. and Lorence, D.H. 2005 onwards. Flora of the Hawaiian Islands website. Available at:

Assessment Information [top]

Red List Category & Criteria: Endangered C2a(ii) 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 kuwaleana is endemic to the island of O'ahu, Hawaii. The species occurs only on a series of ridges at the northern end of Lualualei Valley in the Waianae Mountains of O'ahu. This series of ridges covers a distance of only 4 km. The estimated 2,000 existing plants are threatened by alien plants and fire.

Geographic Range [top]

Range Description:Chamaesyce kuwaleana is endemic to the Hawaiian Islands. It occurs on O'ahu.
Countries occurrence:
United States (Hawaiian Is.)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:A shrub, 0.2-0.9 m tall, occurring on arid basaltic cliffs, exposed rocky dry ridges and on sparsely vegetated steep cliffs.

Threats [top]

Major Threat(s): Threats to C. kuwaleana include competition from alien plants species (Leucaena leucocephala and Cenchrus ciliaris), fire, and vulnerability due to the small number of subpopulations (USFWS 1995).

Conservation Actions [top]

Conservation Actions: This species is being propagated at the National Tropical Botanical Garden (S. Smith, pers. comm. 1997).
Federally and state listed as endangered.

Citation: Bruegmann, M.M. & Caraway, V. 2003. Euphorbia kuwaleana. The IUCN Red List of Threatened Species 2003: e.T44133A10862862. . Downloaded on 22 July 2018.
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