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Labiatae: Phyllostegia variabilis

Edward L. Caum, 25


Phyllostegia variabilis

Original Distribution

US, Hawaii, the Leeward Islands

Extinction Data

Hawaii Bishop Museum = Extinct, Listed Extinct by WCMC 1996


Herbaceous and mostly prostrate, 0.45-0.5 m high, pubescent. Leaves undivided; Petiole 1-2 cm long, flattish; blade 5-6 x 4-4.5 cm, ovate, apex obtuse to subacute, margin serrate, hispid. Inflorescence terminal raceme, 4-6 flowers in a whorl; pedicle 2-5 mm long, bracts leave-like or smaller. Calyx 4-5 mm long, rounded to subacute teeth. Corolla 8-9.5 mm long, lip 4-5.5 mm long, hispid, white

Number of Specimens at Kew


Specimen Type (Y/N)


Kew Herbcat Barcode Number



Edward L. Caum

Collector Number


Date Collected

23rd April1920

Other Information

Known only from a number of collections from 1896 to 1920 from Laysan Island and the eastern Island of Midway

Information Sources

Sherff, E.E.(1935) Revision of Haplostachys, Phyllostegia, and Stenogyne. Bernice P.Bishop Museum Bulletin 136.alter, K.S. and Gillett, H.J. (eds) (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre IUCN The World Conservation Union, Gland, Switzerland and Cambridge, UK. Wagner, W., Herbst, D. & Sohmer, S. (1990). Manual of the flowering plants of Hawaii. University of Hawaii Press, Bishop Museum Press, Honolulu