''Allium geyeri'' or ''Geyer's Onion'' is a

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

n species of

onion An onion (''Allium cepa'' L., from Latin ''cepa'' meaning "onion"), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus ''Allium''. The shallot is a botanical variety of the onion ...

widespread in the western

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and in western

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. It is found in the

Rocky Mountain States The Mountain states (also known as the Mountain West or the Interior West) form one of the nine geographic divisions of the United States that are officially recognized by the United States Census Bureau. It is a subregion of the Western Un ...

from

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

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, the

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and

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.Flora of North America, v 26 p 237, ''Allium geyeri''
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Description

There are three varieties of the onion: *''Allium geyeri'' var. ''chatterleyi'' S.L.Welsh -

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Welsh, Stanley Larson. 1993. Rhodora 95(883/884): 417–418
diagnosis in Latin, commentary and key in English *''Allium geyeri'' var. ''geyeri'' - much of species range *''Allium geyeri'' var. ''tenerum'' M.E.Jones - 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. ''Allium geyeri,'' like many alliums, is pollinated by many varieties of bumble bee. Known pollinators of this onion include the ''

Bombus bifarius ''Bombus bifarius'', the two-form bumblebee, is a species of eusocial bumblebee of the subgenus ''Pyrobombus''. ''B. bifarius'' inhabits mountainous regions of western North America, primarily the states of Colorado and Utah. Its common name refe ...

'', '' Bombus centralis'', ''

Bombus flavifrons ''Bombus flavifrons'', the yellow-fronted bumble bee or yellowhead bumblebee, is a species of bumblebee. It is native to North America, where it is distributed across much of Canada, Alaska Alaska ( ; russian: Аляска, Alyaska; al ...

'', '' Bombus huntii'', '' Bombus melanopygus'', '' Bombus sylvicola'', ''

Bombus occidentalis ''Bombus occidentalis'', the western bumblebee, is one of around 30 bumblebee species present in the western United States and western Canada.

'', and ''

Bombus bohemicus ''Bombus bohemicus'', also known as the gypsy's cuckoo bumblebee, is a species of socially parasitic cuckoo bumblebee found in most of Europe with the exception of the southern Iberian Peninsula and Iceland. ''B. bohemicus'' practices inquilinis ...

.''

References

External links

* * {{Taxonbar, from=Q5669357 geyeri Flora of Western Canada Flora of the Western United States Flora of the Rocky Mountains Onions Plants described in 1879 Taxa named by Sereno Watson