Allium geyeri

Allium geyeri is a North American species of onion widespread in the western United States and in western Canada. It is found in the Rocky Mountain States from New Mexico to Idaho, Great Basin, the Pacific Northwest, Texas, South Dakota, Arizona, Manitoba, British Columbia, Alberta and Saskatchewan.[3][4]

varieties[2][3]
  • Allium geyeri var. chatterleyi S.L.Welsh - Abajo Mountains in Utah[5][6]
  • Allium geyeri var. geyeri - much of species range
  • Allium geyeri var. tenerum M.E.Jones[7] - much of species range

Geyer's onion
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species:
A. geyeri
Binomial name
Allium geyeri
Synonyms[2]
  • Allium dictyotum Greene
  • Allium funiculosum A.Nelson
  • Allium pikeanum Rydb.
  • Allium fibrosum Rydb. 1897, illegitimate homonym not Regel 1887
  • Allium arenicola Osterh. 1900, illegitimate homonym not Small 1900
  • Allium rubrum Osterh.
  • Allium sabulicola Osterh.
  • Allium rydbergii J.F.Macbr.

Allium geyeri produces narrowly elongate bulbs up to 25 mm long. Flowering stalks can reach up to 50 cm in height. Flowers are bell-shaped to urn-shaped, pink to white with yellow pollen.[3][8][9][10][11]

References
  1. "Allium geyeri". IUCN Red List of Threatened Species. 2019. 2019. Retrieved 17 June 2019.CS1 maint: ref=harv (link)
  2. Kew World Checklist of Selected Plant Families
  3. Flora of North America, v 26 p 237, Allium geyeri
  4. BONAP (Biota of North America Project) 2013 county distribution map, Allium geyeri
  5. Welsh, Stanley Larson. 1993. Rhodora 95(883/884): 417–418 diagnosis in Latin, commentary and key in English
  6. Welsh, Stanley Larson. 1993. Rhodora 95(883/884): figure 23 line drawing of Allium geyeri var. chatterleyi
  7. Jones, Marcus Eugene. 1902. Contributions to Western Botany 10: 28, f. 55.
  8. Watson, Sereno. 1879. Proceedings of the American Academy of Arts and Sciences 14: 227–228.
  9. Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1969. Vascular Cryptogams, Gymnosperms, and Monocotyledons. 1: 1–914. In C. L. Hitchcock Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle.
  10. Cronquist, A.J., A. H. Holmgren, N. H. Holmgren & Reveal. 1977. Vascular Plants of the Intermountain West, U.S.A. 6: 1–584. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Pub. Co., New York.
  11. Moss, E. H. 1983. Flora of Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.
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