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Haplostachys haplostachya
Honohono is a rare, endangered Hawaiian mint-family subshrub, endemic to the islands of Hawaii, Kauai and Maui, and now found mainly on Hawaii Island. Growing it is mostly a matter of conserving wild stands rather than cultivation, so care notes are general and it is not a common garden plant.
Haplostachys haplostachya is a rare species of flowering plant in the mint family known by the common names honohono or Hawaiian mint. It is endemic to Hawaii, where it is now limited to the island of Hawaii and has been extirpated from Kauai and Maui. It has been on the United States' endangered species list since 1979.
Haplostachys haplostachya is probably the only one of the five Haplostachya species that is not now extinct, so it may be the only member of a monotypic genus. There are now fewer than 20,000 individual plants in scattered fragmented populations remaining at Kipukakalawamauna on the Pohakuloa Plateau, the site of the Pohakuloa Training Area. At one time, the plant was not uncommon on the slopes of Mauna Loa and Mauna Kea.
Text excerpted from the Wikipedia article Haplostachys haplostachya by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
