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Geniostoma

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Genus of plants

Geniostoma
Geniostoma ligustrifolium
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Loganiaceae
Genus: Geniostoma
J.R.Forst. & G.Forst. (1776)
Synonyms
  • Anasser Juss. (1789)
  • Aspilobium Sol. ex A.Cunn. (1838)
  • Haemospermum Reinw. ex Blume (1827)
  • Labordia Gaudich. (1829)
  • Lasiostomum Zipp. ex Blume (1850)
  • Nautophylla Guillaumin (1953)
  • Tayotum Blanco (1837)

Geniostoma is a genus of around 49 species of flowering plants in the family Loganiaceae. They are shrubs or small trees, with inflorescences borne in the axils of the simple, petiolate, oppositely-arranged leaves. The flowers are arranged in cymes, and each is pentamerous.

The name Geniostoma derives from the Greek words γένειον (geneion; "beard") and στόμα (stoma; "mouth"), referring to the hairs in the corolla tube of some species. The genus is widely distributed across the Pacific Ocean from Japan, Malesia to Australia in the west, and east to the Tuamotu Archipelago; one species is also found on the Mascarene Islands.

The Hawaiian endemic genus Labordia is included in Geniostoma by Plants of the World Online and other authors. The Hawaiian species are commonly known as labordias or as Kamakahala in Hawaiian. These two genera have been grouped together in the family "Geniostomaceae", but are considered by the Angiosperm Phylogeny Group to be part of a wider Loganiaceae.

Species

49 species are accepted.

References

  1. ^ "Geniostoma J.R.Forst. & G.Forst". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 20 May 2024.
  2. ^ Li Ping-tao & Antony J. M. Leewenberg. "Geniostoma J. R. Forster & G. Forster". Myrsinaceae through Loganiaceae. Flora of China. Vol. 15.
  3. ^ "Geniostoma". Flora of Australia Online. Australian National Botanic Gardens. Retrieved March 9, 2012.
  4. "List of genera in family Loganiaceae". Vascular Plant Families and Genera. Royal Botanic Gardens, Kew. Archived from the original on September 3, 2009. Retrieved March 9, 2012.
  5. USFWS. Species List: Endangered Plants.
  6. D. J. Mabberley (1997). The Plant-book: a Portable Dictionary of the Vascular Plants (2nd ed.). Cambridge University Press. p. 296. ISBN 9780521414210.
  7. P. F. Stevens. "Angiosperm Phylogeny Website". Retrieved March 9, 2012.

Further reading

  • B. J. Conn (1980). "A taxonomic revision of Geniostoma subg. Geniostoma (Loganiaceae)". Blumea. 26 (2): 245–364.
Taxon identifiers
Geniostoma
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