''Eriogonum'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of flowering plants in the family

Polygonaceae The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus ''Polygonum'', and was first used by Antoine Laurent de Jussieu in 1 ...

. 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 Speciation is the evolutionary process by which populations evolve to become distinct species. The biologist Orator F. Cook coined the term in 1906 for cladogenesis, the splitting of lineages, as opposed to anagenesis, phyletic evolution withi ...

is continuing. It includes some common wildflowers such as the California buckwheat (''Eriogonum fasciculatum''). The genus derived its name from the

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

word ''erion'' meaning 'wool' and ''gonu'' meaning 'knee or joint'. The author of the genus, Michaux, explained the name as describing the first named species of the genus (''E. tomentosum'') as a wooly plant with sharply bent stems (''"planta lanata, geniculata"''). Despite sharing the common name "buckwheat", ''Eriogonum'' is part of a different genus than the cultivated European

buckwheat Buckwheat (''Fagopyrum esculentum''), or common buckwheat, is a flowering plant in the knotweed family Polygonaceae cultivated for its grain-like seeds and as a cover crop. The name "buckwheat" is used for several other species, such as '' Fago ...

and than other plant species also called wild buckwheat. It came into the news in 2005 when the Mount Diablo buckwheat (''Eriogonum truncatum'', believed to be extinct) was rediscovered.

Ecology

''Eriogonum'' species are used as food plants by the

larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. Th ...

e of some Lepidoptera (butterflies and moths). An example of a butterfly that uses this plant for food is the '' Lycaena heteronea''. Several of these are

monophagous A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources (for example, a heterotroph with a varied diet). A specialist species can thrive only in a narrow range of en ...

, meaning their

caterpillar Caterpillars ( ) are the larva, larval stage of members of the order Lepidoptera (the insect order comprising butterfly, butterflies and moths). As with most common names, the application of the word is arbitrary, since the larvae of sawfly ...

s only feed on this genus, sometimes just on a single

taxon In biology, a taxon ( back-formation from '' taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular n ...

of ''Eriogonum''. Wild buckwheat flowers are also an important source of food for these and other Lepidoptera. In some cases, the relationship is so close that ''Eriogonum'' and dependent Lepidoptera are in danger of

coextinction Coextinction and cothreatened refer to the phenomena of the loss or decline of a host species resulting in the loss or endangerment of an other species that depends on it, potentially leading to cascading effects across trophic levels. The term o ...

. Monophagous Lepidoptera on wild buckwheat include: * ''

Apodemia mormo ''Apodemia mormo'' (Mormon metalmark) is a principally Nearctic realm, Nearctic butterfly in the family Riodinidae. It is a particularly fascinating species for ecological and evolutionary research, as evidenced by its shifting Taxonomy (biology ...

'' (Mormon metalmark) – feeds exclusively on ''Eriogonum'' ** ''

Apodemia mormo langei ''Apodemia mormo langei'', the Lange's metalmark butterfly, is an endangered North American butterfly. It is a subspecies of the Mormon metalmark and belongs to the family Riodinidae. The butterfly is endemic to California, where it is known fr ...

'' (Lange's metalmark) – only known from ''Eriogonum nudum'' ssp. ''auriculatum'' * '' Chionodes dammersi'' – feeds exclusively on ''Eriogonum'' * ''

Chionodes luteogeminatus ''Chionodes luteogeminatus'' is a moth in the family Gelechiidae. It is found in North America, where it has been recorded from Iowa, Washington, Oregon and California. The wingspan is about 22 mm. The larvae feed on ''Eriogonum niv ...

'' – only known from ''Eriogonum niveum'' * ''Euphilotes enoptes smithi'' (

Smith's blue butterfly Smith's blue butterfly, ''Euphilotes enoptes smithi'', is an subspecies of butterfly in the family Lycaenidae. This federally listed endangered subspecies of '' Euphilotes enoptes'' occurs in fragmented populations along the Central Coast o ...

) – only known from ''Eriogonum latifolium'' and ''Eriogonum parvifolium'' * ''Euphilotes battoides allyni'' (

El Segundo blue butterfly The El Segundo blue (''Euphilotes battoides allyni'') is a rare subspecies of the square-spotted blue butterfly. It is endemic to a small dune ecosystem in Southern California that used to be a community called Palisades del Rey, close to the ...

) - only known from ''Eriogonum parvifolium'' Additionally, bees of the

sagebrush steppe Sagebrush steppe is a type of shrub-steppe, a plant community characterized by the presence of shrubs, and usually dominated by sagebrush, any of several species in the genus '' Artemisia''.California buckwheat were and still are used as medicinal and food crops by Native American tribes.

Selected species

'' Eriogonum hirtellum'' Talus buckwheat
''Eriogonum ursinum''">Eriogonum_ursinum.html" ;"title="Talus buckwheat
''Eriogonum ursinum">Talus buckwheat
'' thumb">right">'' Eriogonum wrightii'' var. ''subscaposum'' * ''Eriogonum abertianum'' – Abert's buckwheat * ''Eriogonum alatum'' – winged buckwheat * ''Eriogonum alexanderae''Grady, B. R. and J. L. Reveal. (2011)
New combinations and a new species of ''Eriogonum'' (Polygonaceae: Eriogonoideae) from the Great Basin Desert, United States.
''Phytotaxa'' 24 33–38. * '' Eriogonum aliquantum'' – Cimarron buckwheat * '' Eriogonum alpinum'' – trinity buckwheat * '' Eriogonum ampullaceum'' – mono buckwheat * '' Eriogonum androsaceum'' – rock-jasmine buckwheat * ''

Eriogonum angulosum ''Eriogonum angulosum'' is a species of Eriogonum, wild buckwheat known by the common name anglestem buckwheat. The plant is endemism, endemic to central and Southern California, where it is common to abundant in many types of habitat, from cha ...

'' – anglestem buckwheat * ''

Eriogonum apiculatum ''Eriogonum apiculatum'' is a species of wild buckwheat known by the common name San Jacinto buckwheat. It is endemic to California, where it is known from the San Jacinto, Santa Rosa, Palomar, and Cuyamaca Mountains of San Diego and wester ...

'' – San Jacinto buckwheat * '' Eriogonum apricum'' – Ione buckwheat * ''

Eriogonum arborescens ''Eriogonum arborescens'' is a species of Eriogonum, wild buckwheat known by the common name Santa Cruz Island buckwheat. Description ''Eriogonum arborescens'' is a woody shrub that grows from in height, and sprawling from in diameter. The st ...

'' – Santa Cruz Island buckwheat * ''

Eriogonum argillosum ''Eriogonum argillosum'' is a species of wild buckwheat known by the common names clay buckwheat, clay-loving buckwheat, and Coast Range wild buckwheat. It is endemic to California, where it is known only from San Benito and Monterey Counties. ...

'' – clay buckwheat * ''

Eriogonum argophyllum ''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 popul ...

'' – Sulphur Hot Springs buckwheat, Ruby Valley buckwheat * '' Eriogonum baileyi'' – Bailey's buckwheat * '' Eriogonum brachyanthum'' – shortflower buckwheat * '' Eriogonum brachypodum'' – Parry's buckwheat * ''

Eriogonum brandegeei ''Eriogonum brandegeei'' (sometimes spelled ''brandegei'')''Eri ...

'' – Brandegee's buckwheat * '' Eriogonum breedlovei'' – Paiute buckwheat * '' Eriogonum brevicaule'' – shortstem buckwheat * '' Eriogonum butterworthianum'' – Butterworth's buckwheat * '' Eriogonum caespitosum'' – matted buckwheat * ''

Eriogonum calcareum ''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 in ...

'' * '' Eriogonum callistum'' – Tehachapi buckwheat * '' Eriogonum cedrorum'' – The Cedars buckwheat * '' Eriogonum cernuum'' – nodding buckwheat * '' Eriogonum cinereum'' – ashyleaf buckwheat, coastal buckwheat * ''

Eriogonum cithariforme ''Eriogonum cithariforme'' is a species of wild buckwheat known by the common name cithara buckwheat. It is endemic to the Transverse Ranges and Southern Outer California Coast Ranges of Southern California. It grows in sandy areas in a number ...

'' – Cithara buckwheat * ''

Eriogonum codium ''Eriogonum codium'' is a species of wild buckwheat known by the common names basalt desert buckwheat and Umtanum Desert wild buckwheat. It is endemic to Washington in the United States, where it is known only from Hanford Reach National Monume ...

'' – basalt desert buckwheat * ''

Eriogonum coloradense ''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 compositum'' – arrowleaf buckwheat * '' Eriogonum congdonii'' – Congdon's buckwheat * ''

Eriogonum contiguum ''Eriogonum contiguum'' is an uncommon species of wild buckwheat. It is commonly known as Reveal's buckwheat and annual desert trumpet. It is native to Death Valley in California and adjacent sections of Nevada. It is commonly found in Death Val ...

'' – Reveal's buckwheat * '' Eriogonum corymbosum'' – crispleaf buckwheat ** '' Eriogonum corymbosum var. nilesii'' – Nile's wild buckwheat, Las Vegas buckwheat * ''

Eriogonum covilleanum ''Eriogonum covilleanum'' is a species of wild buckwheat known by the common name Coville's buckwheat. It is endemic to California, where it grows in the Coast Ranges from the Bay Area to the hills north of the Los Angeles area. It is uncommon i ...

'' – Coville's buckwheat * ''

Eriogonum crocatum ''Eriogonum crocatum'', the Conejo buckwheat or saffron buckwheat, is a species of '' Eriogonum'', or wild buckwheat. It is endemic to the Conejo Valley and surrounding regions in Ventura County, California Eriogonum crosbyae ''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.Eriogonum cusickii'' – Cusick's buckwheat * ''

Eriogonum dasyanthemum ''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 The Coast Ranges of California span from Del Nor ...

'' – chaparral buckwheat * '' Eriogonum davidsonii'' – Davidson's buckwheat * '' Eriogonum deflexum'' – flatcrown buckwheat * '' Eriogonum deserticola'' – Colorado Desert buckwheat * '' Eriogonum diatomaceum'' – Churchill Narrows buckwheat * ''

Eriogonum diclinum ''Eriogonum diclinum'' is a species of wild buckwheat known by the common name Jaynes Canyon buckwheat. It is native to the Klamath Mountains of northern California and southern Oregon, where it is an uncommon member of plant communities on s ...

'' – Jaynes Canyon buckwheat * ''

Eriogonum domitum ''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 in ...

'' * '' Eriogonum douglasii'' – Douglas buckwheat * ''

Eriogonum elatum ''Eriogonum elatum'' is a species of wild buckwheat known by the common name tall woolly buckwheat. It is native to the western United States from California to Idaho. It is a perennial herb varying in size from one half to 1.5 meters in height. ...

'' – tall woolly buckwheat * ''

Eriogonum encelioides ''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 incl ...

'' – Encelia buckwheat * '' Eriogonum eremicola'' – Telescope Peak buckwheat * '' Eriogonum evanidum'' – vanishing wild buckwheat * ''

Eriogonum exilifolium ''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 fasciculatum ''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 vari ...

'' – California buckwheat * '' Eriogonum flavum'' – yellow buckwheat * '' Eriogonum giganteum'' – Saint Catherine's lace ** ''Eriogonum giganteum'' var. ''compactum'' – Santa Barbara Island buckwheat * ''

Eriogonum gilmanii ''Eriogonum gilmanii'' is a species of wild buckwheat known by the common name Gilman's buckwheat. This plant is endemic to Inyo County, California, where it is known only from the desert mountain slopes of the Cottonwood, Last Chance, and ...

'' – Gilman's buckwheat Eriogonum thymoides 9256

* ''

Eriogonum gossypinum ''Eriogonum gossypinum'' is an uncommon species of wild buckwheat known by the common name cottony buckwheat. It is endemic to California, where it is known from the southern Central Valley and some of the adjacent foothills. It is often found ...

'' – cottony buckwheat * ''

Eriogonum gracile ''Eriogonum gracile'' is a species of wild buckwheat known by the common name slender woolly buckwheat. Distribution The annual plant is native to California, where it is widespread across the state except the deserts, and to parts of Baja Cali ...

'' – slender woolly buckwheat * ''

Eriogonum gracilipes ''Eriogonum gracilipes'' is a species of wild buckwheat known by the common name White Mountains buckwheat. It is found in granite and sandstone gravels on the slopes of the southern Sierra Nevada and Inyo Mountains of California and the Whit ...

'' – White Mountain buckwheat, raspberry buckwheat * '' Eriogonum gracillimum'' – rose and white buckwheat * '' Eriogonum grande'' – redflower buckwheat * ''

Eriogonum gypsophilum ''Eriogonum gypsophilum'' is a rare species of wild buckwheat known by the common names Seven River Hills buckwheat and gypsum wild buckwheat. It is endemic to the state of New Mexico in the United States, where it is known from only three sites ...

'' – gypsum wild buckwheat * '' Eriogonum heermannii'' – Heermann's buckwheat * '' Eriogonum helichrysoides'' – Strawflower wild buckwheat * '' Eriogonum heracleoides'' – parsnip-flower Buckwheat * '' Eriogonum hirtellum'' – Klamath Mountain Buckwheat * ''

Eriogonum hoffmannii ''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 p ...

'' – Hoffmann's buckwheat * ''

Eriogonum hookeri ''Eriogonum hookeri'' is a species of wild buckwheat known by the common name Hooker's buckwheat. It is native to the Intermountain West of the United States, where it grows in plateau and desert habitat. Description It is an annual herb produ ...

'' – Hooker's buckwheat * '' Eriogonum incanum'' – frosted buckwheat * '' Eriogonum inflatum'' – desert trumpet, bladderstem, Indian pipe-weed * ''

Eriogonum intrafractum ''Eriogonum intrafractum'' is a species of wild buckwheat known by the common names jointed buckwheat and napkinring. This plant is endemic to Inyo County, California, where it is known only from the mountain ranges surrounding Death Valley. It ...

'' – napkinring, jointed buckwheat * '' Eriogonum jamesii'' – James' buckwheat * '' Eriogonum kelloggii'' – red mountain buckwheat Eriogonum nidularium 5

* '' Eriogonum kennedyi'' – Kennedy's buckwheat * '' Eriogonum latens'' – Inyo buckwheat * ''

Eriogonum latifolium ''Eriogonum latifolium'' is a species of wild buckwheat known by the common names seaside buckwheat and coast buckwheat. This plant is native to the coastline of the western United States from Washington to central California, where it is a co ...

'' – seaside buckwheat * '' Eriogonum libertini'' – Dubakella Mountain buckwheat * ''

Eriogonum lobbii ''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 ...

'' – Lobb's buckwheat * '' Eriogonum longifolium'' – longleaf buckwheat ** ''

Eriogonum longifolium var. harperi ''Eriogonum longifolium'' var. ''harperi'', also known as Harper's buckwheat or Harper's umbrella plant, is a dicot of the family ''Polygonaceae'', found in areas of nutrient-poor shale soils in Alabama, Kentucky and Tennessee. It lives inconspic ...

'' – Harper's umbrella plant or Harper's buckwheat ** ''

Eriogonum longifolium var. gnaphalifolium ''Eriogonum longifolium'' Nutt. var. ''gnaphalifolium'' Gand. (also known as ''Eriogonum floridanum'' Small), commonly referred to as scrub buckwheat is a dicot of the Polygonaceae (smartweed or knotweed) family. It is listed as threatened in th ...

'' – scrub buckwheat or long-leaf wild Buckwheat ** '' Eriogonum longifolium'' var. ''longifolium'' – longleaf buckwheat ** ''

Eriogonum longifolium var. lindheimeri ''Eriogonum longifolium'' var. ''lindheimeri'', commonly known as Lindheimer's long-leaf eriogonum and Lindheimer's buckwheat, is a dicot The dicotyledons, also known as dicots (or, more rarely, dicotyls), are one of the two groups into whic ...

'' – Lindheimer's long-leaf ''Eriogonum'' or Lindheimer's buckwheat Eriogonum inflatum 4

* '' Eriogonum luteolum'' – goldencarpet buckwheat * ''

Eriogonum maculatum ''Eriogonum maculatum'' is a species of wild buckwheat known by the common name spotted buckwheat. It is native to western North America from Washington to Baja California to Utah, where it can be found in a number of habitats, often in abundance ...

'' – spotted buckwheat * ''

Eriogonum marifolium ''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. Description This is ...

'' – marumleaf buckwheat * ''

Eriogonum microthecum ''Eriogonum microthecum'' is a species of wild buckwheat known by the common name slender buckwheat. It is native to the western United States where it is found in a variety of habitats, particularly in dry areas such as deserts. Description Th ...

'' – slender buckwheat * ''

Eriogonum mohavense ''Eriogonum mohavense'' is a species of wild buckwheat known by the common name Western Mojave buckwheat. It is endemic to the Mojave Desert of California. It is an annual herb producing a slender, erect flowering stem up to about tall. The woo ...

'' – Western Mojave buckwheat * ''

Eriogonum molestum ''Eriogonum molestum'' is a species of wild buckwheat known by the common name pineland buckwheat. It is endemic to southern California, where it grows in the Transverse Ranges of Ventura County to the Peninsular Ranges of San Diego County. Des ...

'' – pineland buckwheat * ''

Eriogonum nervulosum ''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 o ...

'' – Snow Mountain buckwheat * ''

Eriogonum nidularium ''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 ...

'' – birdnest buckwheat * '' Eriogonum niveum'' – snow buckwheat * ''

Eriogonum nortonii ''Eriogonum nortonii'' is a species of wild buckwheat known by the common name Pinnacles buckwheat. This small annual herb is endemic to California where it is known mainly from a few occurrences around the border between Monterey and San Benit ...

'' – pinnacles buckwheat * '' Eriogonum nudum'' – naked buckwheat ** ''Eriogonum nudum'' ssp. ''auriculatum'' Eriogonum heermannii var sulcatum 11

* ''

Eriogonum nummulare ''Eriogonum nummulare'' is a species of wild buckwheat known by the common names Kearney's buckwheat and money buckwheat. It is native to the Great Basin of the United States from California to Utah, where it grows on sandy slopes and plateaus. ...

'' – Kearney buckwheat, money buckwheat * ''

Eriogonum ochrocephalum ''Eriogonum ochrocephalum'' is a species of wild buckwheat known by the common name whitewoolly buckwheat. It is native to the Great Basin of the United States, where it grows in local habitat such as sagebrush. It is a perennial herb forming a ...

'' – whitewoolly buckwheat * '' Eriogonum ovalifolium'' – cushion buckwheat, oval-leaf buckwheat * ''

Eriogonum palmerianum ''Eriogonum palmerianum'' is a species of wild buckwheat known by the common name Palmer's buckwheat. It is native to the Southwestern region of the United States and Great Basin region, where it grows in many types of desert and sagebrush pla ...

'' – Palmer's buckwheat * '' Eriogonum panamintense'' – Panamint Mountain buckwheat * ''

Eriogonum parishii ''Eriogonum parishii'' is a species of wild buckwheat known by the common name mountainmist. Distribution It is found mainly in southern California, where it grows in many of the mountain ranges from the Sierra Nevada, White Mountains and In ...

'' – mountainmist * ''

Eriogonum parvifolium ''Eriogonum parvifolium'' is a species in the family Polygonaceae that occurs on dune formations in the coastal area of Central and Southern California. This evergreen shrub grows to a height of 30 to 100 centimeters with a spread of appro ...

'' – coast buckwheat, dune buckwheat or cliff buckwheat * ''

Eriogonum pauciflorum ''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 incl ...

'' – Fewflower buckwheat * '' Eriogonum pelinophilum'' – clay-loving wild buckwheat * '' Eriogonum pendulum'' – waldo buckwheat * ''

Eriogonum plumatella ''Eriogonum plumatella'' is a species of wild buckwheat known by the common name yucca buckwheat. It is native to the desert southwest of the United States. Description This is an erect shrub reaching a maximum of about 60 centimeters in height ...

'' – yucca buckwheat * ''

Eriogonum prattenianum ''Eriogonum prattenianum'' is a species of wild buckwheat known by the common name Nevada City buckwheat. Description ''Eriogonum prattenianum'' is a small shrub growing up to about half a meter tall when erect in form or growing in a clump or ...

'' – Nevada City buckwheat * ''

Eriogonum prociduum ''Eriogonum prociduum'' is a species of wild buckwheat known by the common name prostrate buckwheat. It is native to the western Great Basin of the United States in the region where Oregon meets California and Nevada, especially the Modoc Platea ...

'' – prostrate buckwheat Eriogonum crocatum

* '' Eriogonum pusillum'' – yellowturbans * '' Eriogonum pyrolifolium'' – pyrola-leaved buckwheat * '' Eriogonum reniforme'' – kidneyleaf buckwheat * ''

Eriogonum rixfordii ''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. Description This is an annu ...

'' – pagoda buckwheat * ''

Eriogonum rosense ''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. Description This is a small perennial herb which forms mats up ...

'' – rosy buckwheat, mountain rose buckwheat ** ''

Eriogonum rosense var. beatleyae ''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 incl ...

'' – Beatley's buckwheat * '' Eriogonum roseum'' – wand buckwheat * '' Eriogonum salicornioides'' – glasswort buckwheat * '' Eriogonum saxatile'' – hoary buckwheat * ''

Eriogonum shockleyi ''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 incl ...

'' – cowpie buckwheat Eriogonumbaileyi

* '' Eriogonum siskiyouense'' – Siskiyou buckwheat * '' Eriogonum soredium'' – Frisco buckwheat * '' Eriogonum spectabile'' – Barron's buckwheat * '' Eriogonum spergulinum'' – spurry buckwheat * '' Eriogonum sphaerocephalum'' – rock buckwheat * '' Eriogonum strictum'' – blue mountain buckwheat * '' Eriogonum ternatum'' – ternate buckwheat * ''

Eriogonum tiehmii ''Eriogonum tiehmii'', known as Tiehm's buckwheat, is a species of flowering plant endemic to the Silver Peak Range of Esmeralda County, Nevada in the United States. Its only known population is at high risk of destruction due to proposed mining ...

'' – Tiehm's buckwheat * ''

Eriogonum thomasii ''Eriogonum thomasii'' is a species of wild buckwheat known by the common name Thomas' buckwheat. It is native to the desert southwest of the United States and northern Mexico where it is common in many areas, sometimes becoming a weed. Descrip ...

'' – Thomas' buckwheat * '' Eriogonum thurberi'' – Thurber's buckwheat * '' Eriogonum thymoides'' – thymeleaf buckwheat * ''

Eriogonum tomentosum ''Eriogonum tomentosum'', commonly referred to as dogtongue buckwheat or dogtongue wild buckwheat, is a species in the Polygonaceae (smartweed or knotweed) family. Distribution It is found in Southeastern US states including Alabama, Florida, Ge ...

'' – dogtongue wild buckwheat * ''

Eriogonum trichopes ''Eriogonum trichopes'' is a species of wild buckwheat known by the common name little desert trumpet. It is native to the mountain slopes and deserts of the southwestern United States from California to New Mexico, and its range extends into Me ...

'' – little desert trumpet Eriogonumspergulinum

* '' Eriogonum tripodum'' – tripod buckwheat * ''

Eriogonum truncatum ''Eriogonum truncatum'', the Mount Diablo buckwheat, is a small pink wildflower, believed to have been extinct since 1936 until its rediscovery in 2005. The species is only known to live on Mount Diablo in Contra Costa County, northern Califor ...

'' – Mount Diablo buckwheat * '' Eriogonum umbellatum'' – sulphurflower buckwheat * '' Eriogonum ursinum'' – talus buckwheat, Bear Valley buckwheat * '' Eriogonum vimineum'' – wickerstem buckwheat * ''

Eriogonum viridescens ''Eriogonum viridescens'' is a species of wild buckwheat known by the common name twotooth buckwheat. It is endemic to California, where it grows in the Central Coast Ranges through the Transverse Ranges and into the Mojave Desert, as well as i ...

'' – twotooth buckwheat * ''

Eriogonum visheri ''Eriogonum visheri'' is a species of wild buckwheat known by the common names Dakota wild buckwheat and Visher's buckwheat. It is native to the Great Plains in the United States, where it is known from North Dakota, South Dakota, and Montana.

'' – Dakota wild buckwheat, Visher's buckwheat * '' Eriogonum wrightii'' – bastardsage * '' Eriogonum zapatoense'' * ''

Eriogonum zionis ''Eriogonum zionis'', common name Zion wild buckwheat or Point Sublime wild buckwheat, is a plant species native to the southwestern United States, the states of Utah and Arizona. It grows on sandy or gravelly soil at elevations of 1300–2300 m. ...

'' – Zion buckwheat

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External links

Genus treatment in the ''Jepson Manual''

Mt. Diablo buckwheat rediscovered
{{Taxonbar, from=Q2707277 Polygonaceae genera