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Capparis sandwichiana

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA CAPPARALES CAPPARACEAE

Scientific Name: Capparis sandwichiana
Species Authority: DC.
Common Name/s:
English – Native Caper

Assessment Information [top]

Red List Category & Criteria: Vulnerable C1 ver 3.1
Year Published: 2003
Assessor/s: Bruegmann, M.M. & Caraway, V.
Reviewer/s: Maunder, M. (Plant Conservation Committee) & Dickinson, T. (Red List Programme Office)
Contributor/s:
Justification:
Capparis sandwichiana is endemic to the Hawaiian Islands. There are many occurrences still surviving on the islands of Kauai, Kaho`olawe, O`ahu, Ni`ihau, Moloka`i, Maui, Lana`i, and Hawai`i. This species is also found on the Northwestern Hawaiian islands of Midway Atoll, Pearl and Hermes Atoll, and Laysan. The total population number is still in the thousands, however, a decline of at least 10% over the last ten years has been estimated. C. sandwichiana has been adversely affected by the many factors threatening most of the Hawaiian coastal and lowland plant taxa.

Geographic Range [top]

Range Description: Capparis sandwichiana is endemic to the Hawaiian Islands. There are many occurrences still surviving on the islands of Kaua`i, Kaho`olawe, O`ahu, Ni`ihau, Moloka`i, Maui, Lana`i, and Hawai`i. Also found on the Northwestern Hawaiian islands of Midway Atoll, Pearl and Hermes Atoll, and Laysan. The total number of plants remaining is still in the thousands, however, a decline in the total population of at least 10% has been estimated over the last ten years.
Countries:
Native:
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: A shrub of dry regions, most often in coastal areas, less frequently inland. Growing on cliffs, lava flows, emerged coral reefs and in rocky gulches.
Systems: Terrestrial

Threats [top]

Major Threat(s): Threats to C. sandwichiana include poor regeneration, grazing by goats, invasive alien plants, fire, urban sprawl and coastal development.

Conservation Actions [top]

Conservation Actions: Listed as a Candidate species with the U.S. Fish and Wildlife Service.
Citation: Bruegmann, M.M. & Caraway, V. 2003. Capparis sandwichiana. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 18 June 2013.
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