Allium geyeri

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Amaryllidaceae
Subfamilia: Allioideae
Tribus: Allieae
Genus: Allium
Subgenus: A. subg. Amerallium
Sectio: A. sect. Amerallium
Species: Allium geyeri
Varietates: A. g. var. chatterleyi – A. g. var. geyeri – A. g. var. tenerum
Name

Allium geyeri S.Watson, Proc. Amer. Acad. Arts 14: 227. 1879.
References

Watson, S., Proc. Amer. Acad. Arts 14: 227. 1879.
USDA, ARS, Germplasm Resources Information Network. Allium geyeri in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.
Govaerts, R. et al. 2017. Allium geyeri in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2017 Sep 04. Reference page.

Vernacular names
English: Geyer's onion

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

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

Smith, K. (2016). "Allium geyeri". IUCN Red List of Threatened Species. 2016: e.T64263485A67728493. doi:10.2305/IUCN.UK.2016-1.RLTS.T64263485A67728493.en. Retrieved 11 November 2021.
Kew World Checklist of Selected Plant Families
Flora of North America, v 26 p 237, Allium geyeri
BONAP (Biota of North America Project) 2013 county distribution map, Allium geyeri
Welsh, Stanley Larson. 1993. Rhodora 95(883/884): 417–418 diagnosis in Latin, commentary and key in English
Welsh, Stanley Larson. 1993. Rhodora 95(883/884): figure 23 line drawing of Allium geyeri var. chatterleyi
Jones, Marcus Eugene. 1902. Contributions to Western Botany 10: 28, f. 55.
Watson, Sereno. 1879. Proceedings of the American Academy of Arts and Sciences 14: 227–228.
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.
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.
Moss, E. H. 1983. Flora of Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.