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Eriogonum butterworthianum
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Butterworth's Buckwheat
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Eriogonum butterworthianum

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About Butterworth's Buckwheat (Eriogonum butterworthianum) Eriogonum butterworthianum is a rare species of wild buckwheat known by the common name Butterworth's buckwheat. It is endemic to the Santa Lucia Mountains of central Monterey County, California, where it is known from a few occurrences in the wilderness southeast of Big Sur in the vicinity of Junipero Serra Peak. It grows in woodland and chaparral habitat on sandstone soils. This is a small clumpy shrub or subshrub growing up to about 30 centimeters tall and wide. The reddish-green, woolly leaves are oval in shape and curled under at the edges. They are up to 2 centimeters long. The inflorescence is a cluster of flowers up to 2 or 3 centimeters wide, each individual flower a few millimeters wide and dull yellowish to pinkish in color.
Plant Description
Plant Type
Perennial herb

Max. Height
4 - 11.8 in (10.2 - 30 cm)

Flower Color
Cream, Pink, White

Native Status
Natural Setting
Elevation ?
260' - 2382'

Annual Precip. ?
11.8" - 37.4"

Summer Precip. ?
0.22" - 0.47"

Coldest Month ?
41.2° F - 47.1° F

Hottest Month ?
72.2° F - 75.3° F

Humidity ?
1.21 vpd - 23.59 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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