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Labiatae: Haplostachys linearifolia

C.N.Forbes, 134 mo


Haplostachys linearifolia var  Sherff

Original Distribution

US, Hawaii, Molokai and Maui


The species is known to have occurred in dry grass covered ridges, or in sea hills near the sea

Extinction Data

IUCN = N/a, Hawaii Government - Extinct, Listed Extinct by WCMC 1996


Erect herb, 30-60 cm tall; stem obtusely tetragonal, minutely and densely pubescent. Leaves linear, sessile; blade 5-10 x 2-7 cm, at apex acuminate, margins entire of finally crenate, tomentulose. Inflorescence spike, 5-8 cm long; bracts lanceolate to linear, acute, 3-10 mm long. Calyx 5-7 mm long, with broadly triangular lobes 1-1.5 mm long, apex obtuse to sub-acute, pedicel 1-2 mm long. Corolla externally very pubescent, its slender tube 1.7-2.2 cm long, its lips marginally crenulate –incised and curled, the upper lip about 2-3 mm long, the lower lip 3-4.5 mm long

Number of Specimens at Kew


Seed Data

2 Nutlets Collected. 3 Seeds Sown at 25 °C, 1 Nutlet Placed in Storage Conditions (3 seeds per nutlet)

Specimen Type (Y/N)


Kew Herbcat Barcode Number



Forbes, C.N

Collector Number

134 mo

Other Information

This Extinct list was originally (1997) compiled with the assistance of the Center for Plant Conservation -- Hawaii and presents the most up-to-date information for each species listed.individuals have not been seen and habitat has been lost. This species is known from a number of collection the latest was collected in 1928 from Molokai. . Ayensu, E.S. and DeFilipps, R. A. (1978)

Information Sources

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