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Stenogyne cranwelliae

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Stenogyne cranwelliae
Syntype of Stenogyne cranwelliae from the collections of Auckland War Memorial Museum

Critically Imperiled  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Stenogyne
Species:
S. cranwelliae
Binomial name
Stenogyne cranwelliae
Sherff
Synonyms
  • Stenogyne bracteosa H.St.John
  • Stenogyne repens H.St.John

Stenogyne cranwelliae, also known as Kohala Mountain stenogyne, is a flowering plant the family Lamiaceae. The plant is endemic to Hawaii.

Taxonomy and naming

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The species was first formally described in 1939 by Earl Edward Sherff, based on specimens collected from Waipio Valley in Kohala, Hawaii in 1938.[2] Sherff named the species after Auckland War Memorial Museum botanist Lucy Cranwell, who was one of the three people who collected the specimen.[2] Stenogyne bracteosa and Stenogyne repens, both described by Harold St. John in 1987, have since been synonymised with S. cranwelliae.[3][4]

Phylogenetic analysis of Hawaiian mints has shown that S. cranwelliae is closelyt related to S. calaminthoides, S. macrantha, S. sessilis and S. rugosa.[5][6]

Description

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Stenogyne cranwelliae has elongated stems which measure approximately 1.5–2.5 mm (0.059–0.098 in) in thickness. It is morphologically similar to S. calaminthoides, but differs by having significantly smaller leaf petioles and a different leaf shape.[2] It grows as a creeping vine, and grows groups of six flowers.[4]

Habitat and range

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The species is endemic to Hawaii, uncommonly found in wet forested areas.[4]

References

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  1. ^ The Nature Conservancy. "Stenogyne cranwelliae". NatureServe. Retrieved 6 September 2024.
  2. ^ a b c Sherff, Earl Edward (1939). "Some New or Otherwise Noteworthy Labiatae and Compositae". Publications of the Field Museum of Natural History, Botanical Series. 17 (6): 577–612. ISSN 0096-2759. Wikidata Q130238673.
  3. ^ St. John, Harold (1987). "Diagnosis of Hawaiian species of Stenogyne (Labiatae)". Phytologia (3): 159–171. ISSN 0031-9430. Wikidata Q130242175.
  4. ^ a b c "Stenogyne cranwelliae". Plants of Hawaii. Retrieved 6 September 2024.
  5. ^ Lindqvist, Charlotte; Motley, Timothy J.; Jeffrey, John J.; Albert, Victor A. (December 2003). "Cladogenesis and reticulation in the Hawaiian endemic mints (Lamiaceae)". Cladistics. 19 (6): 480–495. doi:10.1111/J.1096-0031.2003.TB00384.X. ISSN 0748-3007. Wikidata Q126083086.
  6. ^ Welch, Andreanna J.; Collins, Katherine; Ratan, Aakrosh; Drautz-Moses, Daniela I.; Schuster, Stephan C.; Lindqvist, Charlotte (5 March 2016). "The quest to resolve recent radiations: Plastid phylogenomics of extinct and endangered Hawaiian endemic mints (Lamiaceae)". Molecular Phylogenetics and Evolution. 99: 16–33. doi:10.1016/J.YMPEV.2016.02.024. ISSN 1055-7903. PMID 26953739. Wikidata Q30277187.