Euphorbia celastroides tomentella (Boiss.) Oudejans (1989:44)

‘akoko, koko, ‘ekoko, kokomalei

Taxonomy & Nomenclature

Synonym/s: Euphorbia multiformis var. tomentella Boiss. in A.P.de Candolle, Prodr. 15(2): 12 (1862); Chamaesyce celastroides var. tomentella (Boiss.) Koutnik in Brittonia 37: 397 (1985)

Conservation Status

Missing (Wagner et al., 1999a:31; Wood et al., 2019:8; NatureServe, 2024) or Extinct (WCMC, 1992:218; Bruegmann & Caraway, 2003; Wagner et al., 2026:32) or Invalid (synonym of Euphorbia celastroides) (POWO, 2024)

Last record (disputed): 1840's (NatureServe, 2024); 2000 (Wood et al., 2019:8)

IUCN RedList status: Extinct

Distribution & Habitat

Oahu, Hawaiian Islands, USA

Biology & Ecology

Hypodigm

Media

References

Bruegmann, M. M. and Caraway, V. (2003). Euphorbia celastroides var. tomentella. The IUCN Red List of Threatened Species 2003: e.T33555A9793213. https://dx.doi.org/10.2305/IUCN.UK.2003.RLTS.T33555A9793213.en. Downloaded on 29 April 2017.

Govaerts, R., Frodin, D. G. and Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.

Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

NatureServe. (2024). NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed 30 August 2024]

Oldfield, Sara, Lusty, Charlotte and MacKinven, Amy (compilers). (1998). The World List of Threatened Trees. Cambridge, U.K.: World Conservation Press. 650 pp.

POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 30 August 2024]

U.S. Fish and Wildlife Service. (2003). Rare plant database. Unpublished.

Wagner, Warren L., Bruegmann, Marie M., Herbst, Derral M. and Lau, Joel Q. C. (1999a). Hawaiian Vascular Plants at Risk: 1999. Bishop Museum Occasional Papers 60: 1-58.

Wagner, W., Herbst, D. and Sohmer, S. (1990). Manual of the flowering plants of Hawaii. University of Hawaii Press, Bishop Museum Press, Honolulu.

Wagner, W., Herbst, D. and Sohmer S. (1999b). Manual of the Flowering Plants of Hawaii. Bernice Pauahi Bishop Museum Special Publication 91: 1-1918.

Wagner, Warren L., Khan, Nancy R., Lorence, David H., Flynn, Timothy W. and Wood, Kenneth R. (2026). Checklist of native and naturalized Hawaiian vascular plants. Smithsonian Contributions to Botany 123: i-xii + 1-96, 3 tables. https://doi.org/10.5479/si.32124043

Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.

WCMC (World Conservation Monitoring Centre). (1992). Global Biodiversity: Status of the Earth's living resources. London: Chapman & Hall. xx + 594 pp.

Wood, Kenneth R., Oppenheimer, Hank and Keir, Matthew. (2019). A checklist of endemic Hawaiian vascular plant taxa that are considered possibly extinct in the wild. National Tropical Botanical Garden, Technical Report #314.

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