Eriogonum is a genus of flowering plants in the family Polygonaceae. The genus is found in North America and is known as wild buckwheat. This is a highly species-rich genus, and indications are that active speciation is continuing. It includes some common wildflowers such as the California buckwheat.
Eriogonum fasciculatum is a species of wild buckwheat known by the common names California buckwheat and flat-topped buckwheat. Characterized by small, white and pink flower clusters that give off a cottony effect, this species grows variably from a patchy mat to a wide shrub, with the flowers turning a rusty color after blooming. This plant is of great benefit across its various habitats, providing an important food resource for a diversity of insect and mammal species. It also provides numerous ecosystem services for humans, including erosion control, post-fire mitigation, increases in crop yields when planted in hedgerows, and high habitat restoration value.
Eriogonum alpinum is a species of wild buckwheat known by the common name Trinity buckwheat.
Eriogonum cinereum is a species of wild buckwheat known by the common names coastal buckwheat and ashyleaf buckwheat.
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 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.
Eriogonum pyrolifolium is a species of wild buckwheat. It is native to western North America, from British Columbia to the high mountains of California.
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. It flowers early in the summer.
Eriogonum wrightii is a species of wild buckwheat known by the common names bastardsage and Wright's buckwheat. It is native to the Southwestern United States, California, and northwest Mexico, where it grows in many plant communities, such as chaparral, in rocky habitats from mountains to deserts.
Eriogonum butterworthianum is a rare species of wild buckwheat known by the common name Butterworth's buckwheat. It is endemic to the Santa Lucia Mountains of central Monterey County, California, where it is known from a few occurrences in the wilderness southeast of Big Sur in the vicinity of Junipero Serra Peak. Its native habitats include oak and conifer woodlands, chaparral communities, and sandstone outcrops. Eriogonum butterworthianum is a small clumpy shrub or subshrub that grows up to about 30 centimeters tall and wide. Leaves are 2 centimeters long and reddish-green in color. They are woolly, oval in shape, and curled under at the edges. The inflorescence is a cluster of flowers up to 2 or 3 centimeters wide. Each individual flower is a few millimeters wide and dull yellowish to pinkish in color. Flowers bloom June to September.
Eriogonum hoffmannii is a species of wild buckwheat known by the common name Hoffmann's buckwheat. It is endemic to Inyo County, California, where it is found only in the mountains around Death Valley; most of the known populations of the plant are located in Death Valley National Park. The plant grows in the desert scrub on the slopes of the Panamint, Black, and Funeral Mountains.
Eriogonum panamintense is a species of wild buckwheat known by the common name Panamint Mountain buckwheat. It is native to several of the desert mountain ranges of eastern California and western Nevada, including the Panamint Range. It grows in various types of mountain ridge habitat, such as sagebrush and coniferous woodland.
Eriogonum prattenianum is a species of wild buckwheat known by the common name Nevada City buckwheat.
Eriogonum callistum is a rare species of wild buckwheat, known by the common name Tehachapi buckwheat.
Eriogonum niveum is a species of flowering plant in the buckwheat family known by the common name snow buckwheat. It is native to the Pacific Northwest of North America, where it occurs in British Columbia, Washington, Oregon, and Idaho. It flowers late in the summer.
Eriogonum coloradense is a species of flowering plant in the buckwheat family known by the common name Colorado buckwheat. It is endemic to Colorado in the United States.
Eriogonum exilifolium is a species of flowering plant in the buckwheat family known by the common name dropleaf buckwheat. It is native to Wyoming and Colorado in the United States.
Eriogonum thymoides is an "abundant" species of flowering plant in the buckwheat family known by the common name thymeleaf wild buckwheat, or simply thymeleaf buckwheat.
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