Английская Википедия:Eriogonum argophyllum
Шаблон:Short description Шаблон:Speciesbox
Eriogonum argophyllum is a species of wild buckwheat known by the common names Sulphur Hot Springs buckwheat, Silver Lake buckwheat, and Ruby Valley buckwheat. It is endemic to Nevada in the United States, where there is only one known population.[1][2]
This rare plant is a mat-forming perennial herb growing just a few centimeters tall. It is covered in gray woolly fibers. It produces erect stems a few centimeters tall topped with rounded inflorescences no more than a centimeter wide. The flowers are yellow.[3] Flowering occurs in June and July,[2] sometimes until September.[3]
This plant only grows in the Ruby Valley of Elko County, Nevada. It grows in the wetlands associated with hot springs, and depends on the water for survival. It grows in shallow, sandy soils covered in a crust of minerals left by the evaporation of the water.[1] Associated plants include Senecio canus, Ivesia kingii, Bromus tectorum, Centaurium exaltatum, and Ericameria nauseosa.[4]
As with other species of buckwheats, E. argophyllum has small, aggregated, open flowers that are readily accessible to being visited by a large assortment of insects.[5] Pollinators include bees in the family Halictidae, wasps in the families Sphecidae and Pompilidae, and flies in the families Syrphidae, Stratiomyidae, and Tachinidae.[6] Flies and wasps in these families are the most frequent and common pollinator.[6]
This species was a candidate for federal protection because its single population was considered threatened by geothermal development, livestock, and off-road vehicle use. These threats have been eliminated and the plant is no longer a candidate.[1] The species is protected by the state of Nevada. A fence is in place around the population to keep out livestock and vehicles.[2]
References
External links
- ↑ 1,0 1,1 1,2 Eriogonum argophyllum. Center for Plant Conservation.
- ↑ 2,0 2,1 2,2 Eriophyllum argophyllum. The Nature Conservancy.
- ↑ 3,0 3,1 Eriogonum argophyllum. Flora of North America.
- ↑ Eriogonum argophyllum. Шаблон:Webarchive Nevada Natural Heritage Program.
- ↑ Шаблон:Cite journal
- ↑ 6,0 6,1 Шаблон:Cite journal
- Английская Википедия
- Eriogonum
- Endemic flora of the United States
- Flora of Nevada
- Flora of the Great Basin
- Elko County, Nevada
- Plants described in 1972
- Critically endangered flora of the United States
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