Haplostachys

Haplostachys (honohono)[1] is a genus of flowering plants in the mint family, Lamiaceae, first described as a genus in 1888. The entire genus is endemic to the Hawaiian Islands, although 4 of the 5 known species that have been placed in the genus are now believed to be extinct, the fifth listed as "Critically Imperiled."[2][3][4][5][6]

Species[2]
  • †Haplostachys bryanii Sherff - Molokai but apparently extinct
  • Haplostachys haplostachya (A.Gray) H.St.John - Kauai, Maui, Hawaii; Critically Imperiled
  • †Haplostachys linearifolia (Drake) Sherff - Maui, Molokai but apparently extinct on both islands
  • †Haplostachys munroi C.N.Forbes - Lanai but apparently extinct
  • †Haplostachys truncata (A.Gray) Hillebr. - Maui but apparently extinct

Honohono
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Subfamily: Lamioideae
Genus: Haplostachys
(A.Gray) Hillebr.

References
  1. US Fish & Wildlife Service species profile, Honohono (Haplostachys haplostachya)
  2. Kew World Checklist of Selected Plant Families
  3. "Kew Royal Botanic Gardens extinct plants index". Archived from the original on 2014-08-26. Retrieved 2014-08-25.
  4. Loeffler, W.; Morden, C.W. 1997. Effects of population fragmentation on genetic variation of Haplostachys haplostachya, an endangered Hawaiian mint. Newsletter of the Hawaiian Botanical Society. 36: 42-46.
  5. Sherff, E.E. 1935. Revision of Haplostachys, Phyllostegia, and Stenogyne. Bernice P. Bishop Museum Bulletin. 136: 1-101.
  6. US Fish & Wildlife Service. 1979. Determination that three Hawaiian plants are endangered species. Federal Register. 44, 211: 62468 - 62469.
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