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Allium nevadense
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Nevada Onion
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Allium nevadense

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About Nevada Onion (Allium nevadense) Allium nevadense is a species of wild onion known by the common name Nevada onion. It is native to the western United States where it grows in sand and rocky soil at elevations of 1400-1700 m. The species is widespread in Utah, Nevada and southern Idaho, and has been reported also from southeastern California (Inyo and San Bernardino Counties), northwestern Arizona (Mohave and Cochise Counties), western and central Colorado (Moffat, Garfield, Mesa and Boulder Counties) and eastern Oregon (Harney and Malheur Counties). The Nevada onion grows from a brown or gray bulb one to one and a half centimeters wide which may have one or two daughter bulblets associated with it. The stem may appear short if the bulb is more than a few inches below the surface of the ground. The stem is topped with an umbel of up to 25 flowers. The tepals may be white or pink-streaked with darker midveins; anthers purple; pollen yellow.
Plant Description
Plant Type
Perennial herb

Flower Color
White, Pink, Purple

Native Status
Natural Setting
Elevation ?
2643' - 7637'

Annual Precip. ?
5.3" - 61.9"

Summer Precip. ?
1.20" - 2.97"

Coldest Month ?
30.5° F - 51.6° F

Hottest Month ?
55.0° F - 79.1° F

Humidity ?
1.04 vpd - 31.41 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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