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Allium atrorubens
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Dark Red Onion
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Allium atrorubens
  

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About Dark Red Onion (Allium atrorubens) Allium atrorubens is a species of wild onion known by the common name dark red onion. This plant is native to the southwestern United States where it grows in the sandy soils of the Mojave Desert, the Great Basin and higher-elevation deserts in Nevada, eastern California (San Bernardino, Kern, Mono, Inyo and Lassen Counties) southwestern Utah (Kane, Millard and Beaver Counties), northwestern Arizona (Mohave and Coconino Counties). Allium atrorubens grows from a reddish-brown bulb 1-1. 5 cm (0. 4-0. 6 in) across. The stem is short and is surrounded by few coiled tubular leaves. Atop the stem is an inflorescence of up to 50 flowers. Each flower has six shiny, iridescent, sharply triangular tepals with dark midveins. The tepals are usually magenta to maroon but are lighter pink or white occasionally. Each flower is about 1 cm (0. 4 in) wide.
Plant Description
Plant Type
Perennial herb

Flower Color
Pink, Red, Cream

Native Status
Native

Natural Setting
Elevation ?
292' - 10034'

Annual Precip. ?
5.4" - 57.2"

Summer Precip. ?
0.34" - 3.45"

Coldest Month ?
23.9° F - 53.0° F

Hottest Month ?
46.9° F - 75.9° F

Humidity ?
1.21 vpd - 28.67 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Darkred Onion


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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