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Eriogonum apricum
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Ione Buckwheat
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Eriogonum apricum

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About Ione Buckwheat (Eriogonum apricum) Eriogonum apricum is a rare species of wild buckwheat known by the common name Ione buckwheat. It is endemic to Amador County, California, in the United States. This rare plant is endemic to the Sierra Nevada foothills of California, where it is known from fewer than ten occurrences in Amador County. It is named after Apricum Hill, one of its few known locations between Ione and Buena Vista. It is a state and federally listed endangered species. Ecology. This plant grows on and is named for the Ione Formation, a local geologic formation of the iron-rich oxisol soil type. It is a member of a plant community known as the Ione Manzanita Series, where it is commonly associated with the Ione manzanita (Arctostaphylos myrtifolia), another rare plant. Threats to the survival of this endangered species include agriculture, development, and erosion. Habitat destruction from the mining of common sand, silica sand, clay, and lignite is a major threat.
Plant Description
Plant Type
Perennial herb

Max. Height
0.36 - 0.8 in (0.9 - 2 cm)

Flower Color
Cream, Pink, White

Native Status

Natural Setting
Elevation ?
243' - 917'

Annual Precip. ?
22.4" - 26.2"

Summer Precip. ?
0.28" - 0.50"

Coldest Month ?
47.9° F - 48.9° F

Hottest Month ?
74.4° F - 74.8° F

Humidity ?
2.13 vpd - 22.70 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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