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Schiedea kaalae

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA CARYOPHYLLALES CARYOPHYLLACEAE

Scientific Name: Schiedea kaalae
Species Authority: Wawra

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D 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:
Schiedea kaalae is endemic to Oahu, Hawaii. It has been recorded from the Waianae Mountains and the central windward portion of the Koolau Mountains. It is known from eight subpopulations, totaling 25–30 individuals. The species and its habitats are threatened by pigs, goats, and alien plants.

Geographic Range [top]

Range Description: Schiedea kaalae is endemic to the Hawaiian Islands. It occurs only on the island of Oahu.
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 perennial with a woody base. Occurs in diverse mesic forest to perhaps wet forest on steep slopes in shaded sites, at an elevational range of 210 - 790 m. Gulch slopes, gulch bottoms and cliffs.
Systems: Terrestrial

Threats [top]

Major Threat(s): Threats include fire, competition from alien plant species (Christmas berry, Maui pamakani, huehue haole, Koster's curse, mosasses grass, and firetree), habitat degradation by feral pigs and goats, and predation by introduced slugs and snails.

Conservation Actions [top]

Conservation Actions: This species is being successfully propagated at the National Tropical Botanical Garden, the Lyon Arboretum, and the Waimea Arboretum (S. Smith, G. Koob and D. Orr, pers. comms. 1997). Federally and state-listed as an endangered species.

Citation: Bruegmann, M.M. & Caraway, V. 2003. Schiedea kaalae. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 16 September 2014.
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