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.[3][4][5]

Eriogonum zionis

Apparently Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Eriogonum
Species:
E. zionis
Binomial name
Eriogonum zionis
J.T. Howell
Synonyms[2]
  • Eriogonum racemosum var. nobilis S.L.Welsh & N.D.Atwood
  • Eriogonum racemosum var. zionis (J.T.Howell) S.L.Welsh
  • Eriogonum racemosum var. coccineum (J.T.Howell) S.L.Welsh

Two varieties have been named:

var. zionis, the Zion wild buckwheat, with white to yellow flowers, has been reported from scattered populations in 4 counties in Utah (Kane, San Juan, Washington, and Wayne) and 2 counties in Arizona (Coconino and Mohave).

var. coccineum J. T. Howell, the Point Sublime wild buckwheat, with bright red flowers, is known from only two locations, one on the edge of the Grand Canyon in Coconino County, the other from Hack Canyon in Mohave County.[6]

Eriogonum zionis is an erect to spreading herb up to 10 cm tall. Leaves are up to 6 cm long, densely hairy on both sides. Flowers are white, yellow or red.[3][7]

References

  1. "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2 June 2023.
  2. The Plant List
  3. "Eriogonum zionis in Flora of North America @ efloras.org". www.efloras.org.
  4. Reveal, J. L. 1973. Eriogonum (Polygonaceae) of Utah. Phytologia 25: 169-217.
  5. Reveal, J. L. 1976. Eriogonum (Polygonaceae) of Arizona and New Mexico. Phytologia 34: 409-484.
  6. Howell, John Thomas. 1943.Plantae Occidentales III. Leaflets of Western Botany 3(9): 205-208.
  7. Howell, John Thomas. 1940. New Western Plants. Leaflets of Western Botany 2(14): 253–254.
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