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Davidson Buckwheat
Eriogonum davidsonii

About Davidson Buckwheat (Eriogonum davidsonii) Eriogonum davidsonii is a species of wild buckwheat known by the common name Davidson's buckwheat. This plant is native to the southwestern United States and northern Baja California, where it grows in sandy or gravelly soils in a variety of habitats. It is a spindly annual herb growing up to 40 centimeters in height. The fuzzy leaves are located at the base of the plant and are one or two centimeters wide and round with wavy or wrinkly margins. It is variable in appearance, but is generally erect with thin, naked, neatly branching stems bearing clusters of tiny flowers at widely-spaced nodes. Each flower is about 2 millimeters wide, bell-shaped, and usually pink.
Plant Description
Plant Type
Annual herb

Max. Height
0.33 - 1.3 ft (0.1 - 0.4 m)

Flower Color
Cream, Pink, White

Flowering Season
Summer, Fall

Native Status

Natural Setting
Site Type
Volcanic or granitic soils


Elevation ?
126' - 9636'

Annual Precip. ?
3.5" - 52.6"

Summer Precip. ?
0.19" - 3.89"

Coldest Month ?
26.8° F - 57.6° F

Hottest Month ?
52.8° F - 87.4° F

Humidity ?
0.93 vpd - 38.26 vpd

Sunset Zones ?
1, 2, 3, 7*, 8, 9, 10, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Landscaping Information
Ease of Care
Moderately Easy

Common uses
Butterfly Gardens, Bee Gardens

Nursery Availability
Rarely Available

Other Names
Common Names
Davidson's Buckwheat, Davidson's Wild 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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