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Labiatae: Haplostachys bryanii var. robusta


J.F. Rock, 14000


Haplostachys bryanii var robusta Sherff

Original Distribution

US, Hawaii, Western Molokai


Dry Grassland, Scrub country or Forests in the Hawaiian volcano area.

Extinction Data

IUCN = N/a, , Listed Extinct by WCMC 1996 Probably it died by a combination of habitat destruction, the creation of agricultural surfaces, displacement by not domestic, imported plants (Neophyten) as well as by over feasting by goats and other cattle.


Erect, slender 30-50(-80) cm tall; stem tetragonal minutely and densely pubescent. Leaves slender petiolate; Petiole 1.5-5.5 cm long; blade 2.5-4(-7) x 4-6 cm, (lanceolate) oblong or ovate – oblong, at base cordate with sinus 2-4(-7) mm deep, at apex obtuse, on margins crenate with 10-36 teeth to each side, membranacous, on upper surface most minutely tomentulose, on lower side very obscurely veiny and white tormentose.  Inflorescence c. 20-30 cm long, simple, spicate; bracts oblong-linear, acute, 4-6 mm long or lowers ones 1-1.8 cm long, lower ones subfoliacous. Calyx at anthesis cyclindric – obconic, pubescent, 9-12 mm, long, with naorrow and sharp lobes 2-4 mm long. Corolla externally very pubescent, its slender tube 1-1.4 cm long, its lips marginally crenulate –incised and curled, the upper lips about 6 mm long, the lower a little shorter and 3-lobed with lobe rotundate

Number of Specimens at Kew


Seed Data

4 Nutlets Collected. 8 Seeds sown at 25°C, 2 Nutlets placed in Storage Conditions (4 Seeds per nutlet)

Specimen Type (Y/N)


Kew Herbcat Barcode Number



J.F. Rock

Collector Number


Date Collected

21st May 1918

Other Information

 The species is name after Mr. Edwin H. Bryan Jr, who was the curator of collections of the Bernice P. Bishop Museum in the 1930’s. All known collection were made by Munro in June of 1916, except one collection of a bigger plant from south wetern most Molokai by J.F.Rock on 21 of Mai 1918 and one by  A.S.Hitchcock from the 12 October 1916. There are also a number of un mounted specimens

Information Sources

Ecology: dry grounds. Ayensu, E.S. and DeFilipps, R. A. (1978). Endangered and threatened plants of the united states. Smithsonian institution and World Wildlife fund. pp 213 Fosberg, F.R. and Herbst, D. (1975) Rare and Endangered Species of Hawaiian Vascular Plants. Allotonia 1: 41 Sherff, E.E.(1935) Revision of Haplostachys, Phyllostegia, and Stenogyne. Bernice P.Bishop Museum, Bulletin 136. Walter, 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