The Recently Extinct Plants and Animals Database

Hibiscadelphus hualalaiensis Rock



Taxonomy & Nomenclature



Conservation Status

Extinct (Humphreys et al., 2019)

Last Record: 1992

IUCN RedList status: Critically Endangered



Hawaii, Hawaiian Islands, USA


Biology & Ecology










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]

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

U.S. Fish and Wildlife Service. 1996. Endangered and threatened wildlife and plants; determination of endangered status for thirteen plants from the islands of Hawaii, State of Hawaii. U.S. Federal Register 61(198): 53137-53153.

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

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.

World Conservation Monitoring Centre. 1998. Hibiscadelphus hualalaiensis. The IUCN Red List of Threatened Species 1998: e.T30787A9573107. Downloaded on 30 April 2017.


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