Melicope nealae (B.C.Stone) T.G.Hartley & B.C.Stone



Taxonomy & Nomenclature

Synonym/s: Melicope nealiae; Pelea nealae B.C.Stone; Pelea nealiae O.Deg. & I.Deg.


Conservation Status

Extinct (Humphreys et al., 2019)

Last record: 12 April 1960 (Clark, 2016); 1979 (Suckling et al. 2004)

IUCN RedList status: Extinct



Hawaiian Islands, USA


Biology & Ecology










Original scientific description:

Hartley, T. G. and Stone, B. C. (1989). Reduction of [i]Pelea[/i] with New Combinations in [i]Melicope[/i] (Rutaceae). Taxon 38(1): 119-123.


Other references:

Clark, M. 2016. Melicope nealae. The IUCN Red List of Threatened Species 2016: e.T97905834A97905972. Downloaded on 17 September 2016.

Hartley, T. G. (2001). On the Taxonomy and Biogeography of Euodia and Melicope (Rutaceae). Allertonia 8(1): 1-328.

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. [Abstract] [Supplementary Dataset 1]

Stone, B. C. (1969). The genus Pelea A. Gray (Rutaceae: Evodineae). A taxonomic monograph. (Studies in the Hawaiian Rutaceae, 10). Phanerogamarum Monographiae tomus III. J. Cramer, Lehre, West Germany. 180 pp.

Suckling, Kieran, Slack, Rhiwena and Nowicki, Brian. (2004). Extinct and the Endangered Species Act. Centre For Biological Diversity. 63 pp.

Wagner, W. L., Herbst, D.R. & Sohmer, S.H. 1990. Manual of the flowering plants of Hawai‘i. 2 vols. University of Hawai‘i Press & Bishop Museum Press, Honolulu. 1853 pp.

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. (2015). Survey Results for Eight Possibly Extinct Plant Species from Kaua`i, Hawai`i. Prepared for the U.S. Fish and Wildlife Service, FWS Agreement No. F12AC00737. 293 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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