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Churchill Narrows buckwheat

Eriogonum diatomaceum

Churchill Narrows buckwheat
Photo: Matt Berger, CC BY 4.0

Churchill Narrows buckwheat is a small, mat-forming wild perennial from a single population in Lyon County, Nevada, growing on diatomaceous clay soils. It is a rare native plant of conservation concern, so it is not a typical garden subject and should not be collected from the wild.

Family
Polygonaceae (Buckwheat family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established; it is adapted to arid conditions with very little rainfall.
Soil
Well-drained, sandy or clay-based mineral soil; it naturally grows on diatomaceous clays.
Temperature
Tolerates cold winters and hot dry summers typical of the Great Basin; cold limit not documented.
How easy
Hard
Native range
Nevada (Lyon Co.)
Climate
temperate

About

Eriogonum diatomaceum is a species of wild buckwheat known by the common name Churchill Narrows buckwheat. It is endemic to Nevada in the United States, where it is known only from the Pine Nut Mountains in Lyon County. It is limited to the Churchill Narrows near Fort Churchill State Historic Park. This plant was discovered in 1997 and described to science in 2002.

There is only a single population of the plant, split into about 15 occurrences and containing a total of less than 50,000 individuals. All the plants are within about three square miles on Bureau of Land Management lands.

Other Eriogonum plants

Abert's buckwheat · Winged buckwheat · Shale barren buckwheat · Trinity buckwheat · Mono buckwheat · Anglestem buckwheat · San Jacinto buckwheat · Ione buckwheat · Santa Cruz Island buckwheat · Clay buckwheat · Sulphur Hot Springs buckwheat · Bailey's buckwheat

Text excerpted from the Wikipedia article Eriogonum diatomaceum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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