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Allium obtusum

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About Red Sierra Onion (Allium obtusum) Allium obtusum is a species of wild onion known by the common name red Sierra onion. It is native to the granite hills and mountains of Nevada and eastern California where it is a common member of the local flora. The red Sierra onion grows from a bulb one or two centimeters wide and bears a stem which may be tall or short. Atop the stem is an flower cluster of up to 60 flowers which May 4 to 12 millimeters wide. The flowers are white to pink with dark midveins.
Plant Description
Plant Type
Perennial herb

Max. Height
1.2 in (3 cm)

Flower Color
Pink, White

Flowering Season

Native Status

Natural Setting
Site Type
Granitic sands


Elevation ?
330' - 12924'

Annual Precip. ?
10.0" - 119.8"

Summer Precip. ?
0.19" - 4.08"

Coldest Month ?
20.4° F - 49.6° F

Hottest Month ?
41.0° F - 76.7° F

Humidity ?
0.70 vpd - 23.45 vpd


Landscaping Information
Common uses
Bee Gardens

Nursery Availability
Rarely 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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