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Eriogonum deflexum
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Flatcrown Buckwheat
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Eriogonum deflexum

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About Flatcrown Buckwheat (Eriogonum deflexum) Eriogonum deflexum is a species of wild buckwheat known by the common names flatcrown buckwheat, flat-top buckwheat, and skeletonweed. This plant is native to the southwestern United States and northwestern Mexico, where it is common and grows in a variety of habitats, especially desert scrub. It is somewhat weedy where it is most abundant. This is an annual which varies in size from small patches on the ground to tangled bushes approaching two meters in height; it may be dense or thin and spindly. This is a brown or greenish weedy-looking herb with a many-branched stem. The leaves are located at the base of the plant and are rounded and woolly and one to four centimeters long. Small clusters of flowers appear at intervals along the branches with each flower only one to three millimeters wide and white or pinkish in color.
Plant Description
Plant Type
Annual herb

Max. Height
0.16 - 6.6 ft (0.05 - 2 m)

Flower Color
Cream, Pink, White

Native Status

Natural Setting
Elevation ?
-224' - 10250'

Annual Precip. ?
2.5" - 24.0"

Summer Precip. ?
0.23" - 3.43"

Coldest Month ?
23.9° F - 63.2° F

Hottest Month ?
46.4° F - 89.6° F

Humidity ?
1.29 vpd - 42.79 vpd

Landscaping Information
Common uses
Butterfly Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Skeletonweed, Flat-top 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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