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Round Headed Buckwheat
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Eriogonum sphaerocephalum
  

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About Round Headed Buckwheat (Eriogonum sphaerocephalum) Eriogonum sphaerocephalum is a species of wild buckwheat known by the common name rock buckwheat. It is native to the western United States from northeastern California to Idaho, where it is a common member of several habitat types, such as sagebrush. This is a small shrub or subshrub up to half a meter tall and wide, growing from a caudex and producing erect flowering stems. The woolly leaves are widely lance-shaped to somewhat oval and 1 to 4 centimeters long, and form basal rosettes around the caudex. The flower cluster arises on a stalk and bears many yellow flowers in a head-like cluster or umbel.
Plant Description
Plant Type
Perennial herb

Max. Height
1.3 ft (0.4 m)

Flower Color
Cream, Pink, White

Native Status
Native

Natural Setting
Sun
Part Shade

Elevation ?
432' - 9204'

Annual Precip. ?
6.3" - 80.7"

Summer Precip. ?
0.53" - 3.74"

Coldest Month ?
26.6° F - 49.0° F

Hottest Month ?
48.0° F - 75.5° F

Humidity ?
0.37 vpd - 25.44 vpd

Landscaping Information
Common uses
Butterfly Gardens, Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Rock Buckwheat


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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