| Eriogonum incanum | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Eriogonum |
| Species: | E. incanum |
| Binomial name | |
| Eriogonum incanum | |
Eriogonum incanum is a species of wild buckwheat known by the common name frosted buckwheat. It is native to the Sierra Nevada of California and extreme western Nevada. [1] It is also known from Oregon. [2]
This is a dioecious perennial herb which forms mats up to 20 centimeters tall and 30 wide, sometimes quite a bit smaller. It has clusters of woolly, petioled leaves one to two centimeters long that form a gray-green or yellowish layer on the sandy soil or among rocks.
The plant bears dense, rounded clusters of flowers, sometimes on erect stalks, that are yellow, red, or both. Male plants produce staminate flowers 2 or 3 millimeters wide, and female plants produce slightly larger pistillate flowers.
Eriogonum dasyanthemum is a species of wild buckwheat known by the common name chaparral buckwheat. This plant is endemic to California where it is limited to the Northern Coast Ranges, but it is quite common in its native range.
Eriogonum gracilipes is a species of wild buckwheat known by the common name White Mountains buckwheat.
Eriogonum lobbii is a species of wild buckwheat known by the common name Lobb's buckwheat or prostrate buckwheat. It is native to most of the mountain ranges of northern California and their extensions into Oregon and Nevada. It is found in a number of mountain plant communities.
Eriogonum marifolium is a species of wild buckwheat known by the common name marumleaf buckwheat. It is native to the Sierra Nevada and Klamath Mountains of California and the ranges' extensions into Oregon and Nevada.
Eriogonum nervulosum is a species of wild buckwheat known by the common name Snow Mountain buckwheat. This uncommon plant is endemic to the inland North Coast Ranges of California, where it is known from only a handful of occurrences, most of which are in Lake County. It is named for Snow Mountain, a local peak.
Eriogonum nidularium is a species of wild buckwheat known by the common name birdnest buckwheat. It is native to the sandy flats and desert dry washes of the Mojave Desert and Great Basin in the western United States, where it is common and abundant. This is a distinctive annual herb producing a thin, multibranched stem which curves in on itself to form a rounded, tangled mass.
Eriogonum rosense is a species of wild buckwheat known by the common name rosy buckwheat. It is native to the mountains of eastern California and its range extends into Nevada.
Eriogonum saxatile is a species of wild buckwheat known by the common name hoary buckwheat. It is native to the dry, rocky mountain slopes of California and Nevada, where it is a common plant.
Eriogonum strictum is a species of wild buckwheat known by the common name Blue Mountain buckwheat. It is a common plant of western North America from northern California to British Columbia where it is found along rocky slopes and scrubland.
Eriogonum ampullaceum is a species of wild buckwheat known by the common name Mono buckwheat.
Eriogonum brachyanthum is a species of wild buckwheat known by the common name shortflower buckwheat. It is native to eastern California and western Nevada, particularly the Mojave Desert region, where it is common to abundant, and even sometimes weedy. It is also known from southern Oregon. The plant grows in sandy habitat, such as desert flats and sagebrush. It is an annual herb reaching 30 to 40 centimeters tall. The woolly leaves are oval or rounded and are located about the base of the stem. The top of the stem is occupied by a branching inflorescence bearing many widely spaced clusters of flowers. Each individual flower is about a millimeter wide and light yellow in color.
Eriogonum luteolum is a species of wild buckwheat known by the common name goldencarpet buckwheat. It is native to many of the mountain ranges of California and southern Oregon, including the Sierra Nevada, Cascades and California Coast Ranges. It grows in mountain and foothill habitat, such as forest and woodland, on granite and sometimes serpentine soils.
Eriogonum rixfordii is an uncommon species of wild buckwheat known by the common name pagoda buckwheat. It is native to the Mojave Desert, where it grows in California's Death Valley and adjacent parts of Nevada.
Eriogonum spergulinum is a species of wild buckwheat known by the common name spurry buckwheat.
Eriogonum vimineum is a species of wild buckwheat known by the common name wickerstem buckwheat. It is native to the Northwestern United States, California, and Nevada where it is common to abundant in many types of habitat, including the Sierra Nevada.
Eriogonum callistum is a rare species of wild buckwheat, known by the common name Tehachapi buckwheat.
Eriogonum douglasii is a species of wild buckwheat known by the common name Douglas' buckwheat. It is native to the western United States, including the Pacific Northwest and part of the Great Basin.
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.
Eriogonum crosbyae is a species of wild buckwheat known by the common name Crosby's buckwheat. It is native to southcentral Oregon and northwestern Nevada in the United States. Some treatments include plants in Montana and Idaho as members of this species. This plant was first discovered in the Guano Valley in Lake County, Oregon, in 1978 by Bureau of Land Management botanist Virginia Crosby, and it was named for her in 1981.
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.
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