Melicope quadrangularis (St.John & Hume) T.G.Hartley & B.C.Stone
Four-angled pelea
Taxonomy & Nomenclature
Synonym/s: Pelea quadrangularis
Conservation Status
Last record: 1919 (Lorence et al., 1995:53)
Rediscovered (and last record) on 20 May 1991 (Lorence & Flynn, 1991; Lorence et al., 1995:53; Suckling et al., 2004:49/63)
Rediscovered in 19 November 2013
IUCN RedList status: Critically Endangered
Distribution
Kauai, Hawaiian Islands, USA
Biology & Ecology
Hypodigm
Media
References
Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]
Imada, C.T., Wagner, W.L. and Herbst, D.R. 1989. Checklist of native and naturalized flowering plants of Hawaii. Bishop Museum Occasional Papers 29: 1-87.
Lorence, David H. and Flynn, T. W. (1991). Botanical survey of the Wahiawa Drainage, Kauai. Final report, submitted to the State of Hawaii, Department of Land and Natural Resources, Division of Forestry and Wildlife. 78 pp.
Lorence, David H., Flynn, Timothy W. and Wagner, Warren L. (1995). Contributions to the flora of Hawai`i. III. New additions, range extensions, and rediscoveries of flowering plants. Bishop Museum Occasional Papers 41: 19-58.
Oldfield, Sara, Lusty, Charlotte and MacKinven, Amy (compilers). (1998). The World List of Threatened Trees. Cambridge, U.K.: World Conservation Press. 650 pp.
POWO. 2018. Plants of the World online. Facilitated by the Royal Botanic Gardens, Kew. http://e-monocot.org/.
Stone, B. C., Wagner, Warren L. and Herbst, D. R. (1990). Rutaceae, pp. 1174-1216. In: Wagner, Warren L., Herbst, D. R. and Sohmer, S. H. Manual of the flowering plants of Hawai‘i. University of Hawaii Press & Bishop Museum Press, Honolulu. [considers the species extinct; fide Lorence et al., 1995:53]
Suckling, Kieran, Slack, Rhiwena and Nowicki, Brian. (2004). Extinct and the Endangered Species Act. Centre For Biological Diversity. 63 pp.
U.S. Fish and Wildlife Service. (1995). Recovery plan for the Kaua'i plant cluster. Portland, Oregon: U.S. Fish and Wildlife Service.
USFWS. (2003a). Recovery Report to Congress: Fiscal Years 1997-98 and 1999-2000. United States Fish and Wildlife Service, Washington, D.C.
USFWS. (2003b). Final Designation or Nondesignation of Critical Habitat for 95 Plant Species From the Islands of Kauai and Niihau, HI. United States Fish and Wildlife Service, February 27, 2003, 68 FR 9116.
USFWS. (2003c). Hawaiian Islands Plants: Listed and Candidate Species, as Designated under the U.S. Endangered Species Act (Updated 2003). United States Fish and Wildlife Service, Honolulu, HI.
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.
Wood, Kenneth R. (2009). Further Notes on Melicope quadrangularis (Rutaceae) Kaua‘i, Hawai‘i. Biological Report, National tropical Botanical Garden (NtBG), Kalaheo, HI. 6 pp. Available from NtBG.
Wood, Kenneth R. (2011). Rediscovery, conservation status and taxonomic assessment of Melicope degeneri (Rutaceae), Kaua‘i, Hawai‘i. Endangered Species Research 14: 61-68.
Wood, Kenneth R. (2012). Possible Extinctions, Rediscoveries, and New Plant Records within the Hawaiian Islands. Records of the Hawaii Biological Survey for 2011. Edited by Neal L. Evenhuis & Lucius G. Eldredge. Bishop Museum Occasional Papers 113: 91-102.
Wood, Kenneth R. and Kirkpatrick, Megan. (2014). Rediscovery of Melicope quadrangularis (Rutaceae) and other notable plant records for the island of Kaua‘i, Hawai‘i. Records of the Hawaii Biological Survey for 2013. Edited by Neal L. Evenhuis. Bishop Museum Occasional Papers 115: 29-32.
World Conservation Monitoring Centre. (1998). Melicope quadrangularis. The IUCN Red List of Threatened Species. Version 2014.3. (http://www.iucnredlist.org). Downloaded on 10 May 2015.