Eriogonum: Difference between revisions
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[[image:Eriogonum ursinum 3.jpg|thumb|right|[[Talus Buckwheat]]<br/>''[[Eriogonum ursinum]]'']] |
[[image:Eriogonum ursinum 3.jpg|thumb|right|[[Talus Buckwheat]]<br/>''[[Eriogonum ursinum]]'']] |
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[[image:Eriogonum wrightii var subscaposum 1.jpg|thumb|right|''[[Eriogonum wrightii]]'' var. ''subscaposum'']] |
[[image:Eriogonum wrightii var subscaposum 1.jpg|thumb|right|''[[Eriogonum wrightii]]'' var. ''subscaposum'']] |
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* ''[[Eriogonum alatum]]'' - Winged Buckwheat |
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* ''[[Eriogonum alpinum]]'' - Trinity Buckwheat |
* ''[[Eriogonum alpinum]]'' - Trinity Buckwheat |
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* ''[[Eriogonum ampullaceum]]'' - Mono Buckwheat |
* ''[[Eriogonum ampullaceum]]'' - Mono Buckwheat |
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Revision as of 09:04, 12 October 2010
| Eriogonum | |
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| Eriogonum umbellatum | |
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| Genus: | Eriogonum Michx. (1803)
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| Species | |
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Over 250, see text | |
Eriogonum is the scientific name for 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).
It came into the news in 2005 when the Mount Diablo Buckwheat (Eriogonum truncatum, believed to be extinct) was rediscovered.
Importance for Lepidoptera
Eriogonum species are used as food plants by the larvae of some Lepidoptera (butterflies and moths). Several of these are monophagous, meaning that their caterpillars only feed on this genus, sometimes just on a single taxon 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.
Monophagous Lepidoptera on wild buckwheat include:
- Apodemia mormo (Mormon metalmark) - feeds exclusively on Eriogonum
- Apodemia mormo langei (Lange's metalmark) - only known from Eriogonum nudum ssp. auriculatum
- Chionodes dammersi - feeds exclusively on Eriogonum
- Chionodes luteogeminatus - only known from Eriogonum niveum
- Euphilotes enoptes smithi (Smith's blue butterfly) - only known from Eriogonum latifolium and Eriogonum parvifolium
Selected species
Eriogonum ursinum
- Eriogonum alatum - Winged Buckwheat
- Eriogonum alpinum - Trinity Buckwheat
- Eriogonum ampullaceum - Mono Buckwheat
- Eriogonum androsaceum - Rock-jasmine Buckwheat
- Eriogonum angulosum - Anglestem Buckwheat
- Eriogonum apiculatum - San Jacinto Buckwheat
- Eriogonum apricum - Ione Buckwheat
- Eriogonum arborescens - Santa Cruz Island Buckwheat
- Eriogonum argillosum - Clay Buckwheat
- Eriogonum baileyi - Bailey's Buckwheat
- Eriogonum brachyanthum - Shortflower Buckwheat
- Eriogonum brachypodum - Parry's Buckwheat
- Eriogonum breedlovei - Paiute Buckwheat
- Eriogonum butterworthianum - Butterworth's Buckwheat
- Eriogonum caespitosum - Matted Buckwheat
- Eriogonum cernuum - Nodding Buckwheat
- Eriogonum cinereum - Ashyleaf Buckwheat, Coastal Buckwheat
- Eriogonum cithariforme - Cithara Buckwheat
- Eriogonum congdonii - Congdon's Buckwheat
- Eriogonum contiguum - Reveal's Buckwheat
- Eriogonum corymbosum - Crispleaf Buckwheat
- Eriogonum corymbosum var. nilesii - Nile's Wild Buckwheat, Las Vegas Buckwheat
- Eriogonum covilleanum - Coville's Buckwheat
- Eriogonum crocatum - Conejo Buckwheat or Saffron Buckwheat
- Eriogonum cusickii - Cusick's buckwheat
- Eriogonum dasyanthemum - Chaparral Buckwheat
- Eriogonum davidsonii - Davidson's Buckwheat
- Eriogonum deflexum - Flatcrown Buckwheat
- Eriogonum deserticola - Colorado Desert Buckwheat
- Eriogonum diclinum - Jaynes Canyon Buckwheat
- Eriogonum elatum - Tall Woolly Buckwheat
- Eriogonum eremicola - Telescope Peak Buckwheat
- Eriogonum fasciculatum - California Buckwheat
- Eriogonum flavum - Yellow Buckwheat
- Eriogonum giganteum - Saint Catherine's Lace
- Eriogonum giganteum var. compactum - Santa Barbara Island Buckwheat
- Eriogonum gilmanii - Gilman's Buckwheat
- Eriogonum gossypinum - Cottony Buckwheat
- Eriogonum gracile - Slender Woolly Buckwheat
- Eriogonum gracilipes - White Mountain Buckwheat, Raspberry Buckwheat
- Eriogonum gracillimum - Rose and White Buckwheat
- Eriogonum grande - Redflower Buckwheat
- Eriogonum heermannii - Heermann's Buckwheat
- Eriogonum heracleoides - Parsnip-flower Buckwheat
- Eriogonum hirtellum - Klamath Mountain Buckwheat
- Eriogonum hoffmannii - Hoffmann's Buckwheat
- Eriogonum hookeri - Hooker's Buckwheat
- Eriogonum incanum - Frosted Buckwheat
- Eriogonum inflatum - Desert Trumpet, Bladderstem, Indian Pipe-weed
- Eriogonum intrafractum - Napkinring, Jointed Buckwheat
- Eriogonum jamesii - James' Buckwheat
- Eriogonum kelloggii - Red Mountain Buckwheat
- Eriogonum kennedyi - Kennedy's Buckwheat
- Eriogonum latens - Inyo Buckwheat
- Eriogonum latifolium - Seaside Buckwheat
- Eriogonum libertini - Dubakella Mountain Buckwheat
- Eriogonum lobbii - Lobb's Buckwheat
- Eriogonum longifolium - Longleaf Buckwheat
- Eriogonum longifolium var. harperi - Harper's Umbrella Plant or Harper's Buckwheat
- Eriogonum longifolium var. gnaphalifolium - Scrub Buckwheat or Long-leaf Wild Buckwheat
- Eriogonum longifolium var. longifolium - Longleaf Buckwheat
- Eriogonum longifolium var. lindheimeri - Lindheimer's Long-leaf Eriogonum or Lindheimer's Buckwheat
- Eriogonum luteolum - Goldencarpet Buckwheat
- Eriogonum maculatum - Spotted Buckwheat
- Eriogonum marifolium - Marumleaf Buckwheat
- Eriogonum microthecum - Slender Buckwheat
- Eriogonum mohavense - Western Mojave Buckwheat
- Eriogonum molestum - Pineland Buckwheat
- Eriogonum nervulosum - Snow Mountain Buckwheat
- Eriogonum nidularium - Birdnest Buckwheat
- Eriogonum niveum - Snow Buckwheat
- Eriogonum nortonii - Pinnacles Buckwheat
- Eriogonum nudum - Naked Buckwheat
- Eriogonum nudum ssp. auriculatum
- Eriogonum nummulare - Kearney Buckwheat, Money Buckwheat
- Eriogonum ochrocephalum - Whitewoolly Buckwheat
- Eriogonum ovalifolium - Cushion Buckwheat, Oval-leaf Buckwheat
- Eriogonum palmerianum - Palmer's Buckwheat
- Eriogonum panamintense - Panamint Mountain Buckwheat
- Eriogonum parishii - Mountainmist
- Eriogonum parvifolium - Coast Buckwheat, Dune Buckwheat or Cliff Buckwheat
- Eriogonum pendulum - Waldo Buckwheat
- Eriogonum plumatella - Yucca Buckwheat
- Eriogonum prattenianum - Nevada City Buckwheat
- Eriogonum prociduum - Prostrate Buckwheat
- Eriogonum pusillum - Yellowturbans
- Eriogonum pyrolifolium - Pyrola-leaved Buckwheat
- Eriogonum reniforme - Kidneyleaf Buckwheat
- Eriogonum rixfordii - Pagoda Buckwheat
- Eriogonum rosense - Rosy Buckwheat, Mt. Rose Buckwheat
- Eriogonum roseum - Wand Buckwheat
- Eriogonum salicornioides - Glasswort Buckwheat
- Eriogonum saxatile - Hoary Buckwheat
- Eriogonum shockleyi - Cowpie Buckwheat
- Eriogonum siskiyouense - Siskiyou Buckwheat
- Eriogonum spergulinum - Spurry Buckwheat
- Eriogonum sphaerocephalum - Rock Buckwheat
- Eriogonum strictum - Blue Mountain Buckwheat
- Eriogonum ternatum - Ternate Buckwheat
- Eriogonum thomasii - Thomas' Buckwheat
- Eriogonum thurberi - Thurber's Buckwheat
- Eriogonum tomentosum - Dogtongue Wild Buckwheat
- Eriogonum trichopes - Little Desert Trumpet
- Eriogonum tripodum - Tripod Buckwheat
- Eriogonum truncatum - Mount Diablo Buckwheat
- Eriogonum umbellatum - Sulphurflower Buckwheat
- Eriogonum ursinum - Talus Buckwheat, Bear Valley Buckwheat
- Eriogonum vimineum - Wickerstem Buckwheat
- Eriogonum viridescens - Twotooth Buckwheat
- Eriogonum wrightii - Bastardsage
- Eriogonum zapatoense
External links
Media related to Eriogonum at Wikimedia Commons
Data related to Eriogonum at Wikispecies