Phyllostegia glabra lanaiensis Sherff (1934:136)
Smooth phyllostegia, Ulihi
Taxonomy & Nomenclature
Synonym/s: Phyllostegia lanaiensis (Sherff) H.St.John in Phytologia 63: 177 (1987)
Conservation Status
Missing (Wood et al., 2019:11; Keir, 2025) or Extinct (Wagner et al., 2026)
Last record: 1914 (Wood et al., 2019:11; NatureServe, 2024; Keir, 2025)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
Lanai, Hawaiian Islands, USA
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Sherff, E. E. (1934). Some new or otherwise noteworthy members of the families Labiatae and Compositae. Bot. Gaz. (Crawfordsville) 96: 136-153.
Other references:
Gon III, S. M. (2008). Revised list of Hawaiian names of plants native and introduced with brief descriptions and notes as to occurrence and medicinal or other values. Ethnobotany Research and Applications 6: 405-442.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Herbst, D. R. (1990). Endangered and threatened wildlife and plants; Proposed endangered status for six plants from the island of Lanai, HI. Fed. Reg. 55: 38236-38242.
Herbst, D. R. (1991). Endangered and threatened wildlife and plants; Determination of endangered status for six plants from the island of Lanai, Hawaii. Fed. Reg. 56: 47686-47694.
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.
Keir, M. (2025). Phyllostegia glabra var. lanaiensis. The IUCN Red List of Threatened Species 2025: e.T80173925A80173934. https://dx.doi.org/10.2305/IUCN.UK.2025-2.RLTS.T80173925A80173934.en. Accessed on 12 August 2026.
Krauss, B. (1993). Plants in Hawaiian culture. University of Hawaii Press, Honolulu.
NatureServe. (2024). NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed 1 September 2024]
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 1 September 2024]
Sherff, E. E. (1935). Revision of Haplostachys, Phyllostegia, and Stenogyne. Bernice P. Bishop Mus. Bull. 136: 1-101.
U.S. Fish and Wildlife Service (USFWS). (2021). Removal of 23 Extinct Species From the Lists of Endangered and Threatened Wildlife and Plants. Proposed Rule. Federal Register 86(187): 54298-54338.
U.S. Fish and Wildlife Service (USFWS). (2023). Removing Phyllostegia glabra var. lanaiensis from the List of Endangered or Threatened Plants. Proposed rule; withdrawal. Federal Register 88(199): 71520-71523.
Wagner, Warren L. (1999). Nomenclator and Review of Hawaiian Phyllostegia (Lamiaceae). Novon 9: 265-279.
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, Warren L., Herbst, D. R. and Sohmer, S. H. (1990). Manual of the flowering plants of Hawaii. Univ. Hawaii Press and Bishop Museum Press, Honolulu. 1853 pp.
Wagner, Warren L, 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.
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.
https://vanishingflora.proboards.com/thread/1917/phyllostegia-glabra-var-lanaiensis