Eriogonum longifolium

Taxobox
regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Caryophyllales
familia = Polygonaceae
genus = "Eriogonum"
species = "E. longifolium"
binomial = "Eriogonum longifolium"
binomial_authority = Nutt.

"Eriogonum longifolium" - Longleaf Eriogonum or long-leaf wild buckwheat - is a dicot of the family Polygonaceae. In addition to populations of "E. longifolium" var. "longifolium" found in Arkansas, Kansas, Louisiana, Missouri, New Mexico, Oklahoma, and Texas, [http://plants.usda.gov/java/profile?symbol=ERLOL4 PLANTS Profile for Eriogonum longifolium var. longifolium (longleaf buckwheat) | USDA PLANTS ] ] there are varieties or subspecies that are geographically isolated and at various levels of endangerment. According to the University of Michigan Native American Ethnobotony database, "Eriogonum longifolium" has been used as a food by the Kiowa and as a medicinal by the Comanche. [http://herb.umd.umich.edu/ UM-Dearborn College of Arts, Sciences, and Letters ] ]

E. longifolium leaves are described as being lanceolate, oblanceolate or oblong and with tomentose coating; the plant develops flowering stems which are up to 17 dm (67 in) tall. [cite web
last =
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title = Eriogonum longifolium
work = Flora of North America
publisher = www.eFloras.org
date =
url = http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242416513
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doi =
accessdate = 2007-12-23]

Varieties or subspecies

* Tennessee, Alabama and Kentucky: "E. longifolium" var. "harperi" (Harper's buckwheat or Harper's umbrella plant)
* Florida: "E. longifolium" var. "gnaphalifolium" Gandog, (sometimes known as "Eriogonum floridanum" Small) - Scrub Buckwheat or Longleaf Wild Buckwheat [ [http://www.archbold-station.org/abs/plantspp/erilonsppacc.htm Erioginum longifolium Species Account, Plant Ecology Lab, Archbold Biological Station, 12 July 2002, Fred E. Lohrer ] ]
* New Mexico: "E. longifolium" var. "lindheimeri" [ [http://plants.usda.gov/java/profile?symbol=ERLOL5 PLANTS Profile for Eriogonum longifolium var. lindheimeri () | USDA PLANTS ] ]

External links

* [http://www.fws.gov/northflorida/Species-Accounts/Scrub-Buckwheat-2005.htm] - Scrub buckwheat photos
* [http://www.opsu.edu/UnivSchools/ScienceMathNurs/PlantsGrassh/plants/pasturefiles/pasture94.html] - Oklahoma photos of "E. longifolium"
* [http://www.sbs.utexas.edu/bio406d/images/pics/pgn/eriogonum_longifolium.htm] - Texas photos of "E. longifolium"

References