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Eriogonum gossypinum
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Cottony Buckwheat
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Eriogonum gossypinum

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About Cottony Buckwheat (Eriogonum gossypinum) Eriogonum gossypinum is an uncommon species of wild buckwheat known by the common name cottony buckwheat. It is endemic to California, where it is known from the southern Central Valley and some of the adjacent foothills. It is often found on clay soils. It is an annual herb producing a gray or reddish branched stem no more than about 20 centimeters tall. The leaves are oblong in shape and woolly in texture. The scattered inflorescences are small clusters of white to pink glandular flowers buried in a layer of cottony fibers.
Plant Description
Plant Type
Annual herb

Max. Height
1.9 - 7.9 in (4.8 - 20.1 cm)

Flower Color
Cream, Pink, White

Native Status
Natural Setting
Elevation ?
345' - 3686'

Annual Precip. ?
5.9" - 20.4"

Summer Precip. ?
0.13" - 0.60"

Coldest Month ?
41.3° F - 52.0° F

Hottest Month ?
69.2° F - 78.9° F

Humidity ?
2.17 vpd - 31.18 vpd

Landscaping Information
Common uses
Butterfly Gardens, Bee Gardens

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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