Английская Википедия:Eriogonum ovalifolium
Шаблон:Short description Шаблон:Speciesbox
Eriogonum ovalifolium is a species of wild buckwheat known by the common name cushion buckwheat. It is native to western North America from California to Alberta, where it is a member of many plant communities in varied habitats, including the sagebrush steppe and alpine regions.[1]
Description
In general, the species is a tough perennial herb which forms mats in gravelly soil or amongst rocks and produces erect inflorescences up to 35 centimeters (14 in) in height, blooming from early to mid-summer.[1] The flowering stems are leafless.[1] The pale green to gray leaves at the base of the plant are rounded and woolly and have petioles.
The clumps of flowers are yellow, light red or pink, purple, or white.[1]
Varieties
There are four[2] to eleven[3] varieties of this species. They include:
- Eriogonum ovalifolium var. vineum, the Cushenbury buckwheat, is endemic to the San Bernardino Mountains of San Bernardino County, California.[2] It is federally listed as an endangered species of the United States, and the main threat to its existence is mining.[2]
- Eriogonum ovalifolium var. williamsiae, the steamboat buckwheat, is known only from the Steamboat Hills near Reno, Nevada.[4] It is also a federally listed endangered species, and threats to it have been reduced but the populations are still quite small.[4]
References
External links
- Шаблон:Commons-inline
- Шаблон:Wikispecies-inline
- Jepson Manual Treatment
- USDA Plants Profile
- The Nature Conservancy
- Шаблон:CalPhotos
Шаблон:Taxonbar Шаблон:Authority control
- ↑ 1,0 1,1 1,2 1,3 Шаблон:Cite book
- ↑ 2,0 2,1 2,2 USFWS. Cushenbury Buckwheat Five-year Review. August 2009.
- ↑ Eriogonum ovalifolium. Flora of North America.
- ↑ 4,0 4,1 USFWS. Steamboat Buckwheat Five-year Review. March 2009.
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