Eriogonum allenii

Eriogonum allenii
Eriogonum allenii in bloom
Vulnerable
Vulnerable (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Eriogonum
Species:
E. allenii
Binomial name
Eriogonum allenii

Eriogonum allenii is a North American species of flowering plants in the family Polygonaceae known by the common names shale barren wild buckwheat or yellow buckwheat.[2] It grows on Devonian shale[3] in the eastern United States.[2] It is found in the central Appalachian Mountains of West Virginia and Virginia.[4]

Description

Eriogonum allenii grows up to 50 cm (19.5 in) tall. The leaves are tomentose to floccose, oblong to ovate, 10–15 cm (4–6 in) long. The flowers are yellow and are 3–7 mm (0–0.5 in) in diameter.[2]

Conservation

Eriogonum allenii is ranked as G3 ("vulnerable") by NatureServe due to its restricted distribution in Appalachian shale barrens and threats including habitat degradation, invasive species, roadside maintenance, residential development, and fire suppression.[1]

Taxonomy

Eriogonum allenii was first described by Sereno Watson in 1890 in the sixth edition of Manual of the Botany of the Northern United States.[5] The type specimen was collected by Timothy Field Allen near White Sulphur Springs in present-day Greenbrier County, West Virginia.[5] The specific epithet allenii honors physician and botanist Timothy Field Allen.[6]

References

  1. 1 2 "NatureServe Explorer: Eriogonum allenii". NatureServe Explorer. Retrieved 26 May 2026.
  2. 1 2 3 Flora of North America Vol. 5 Shale barren wild buckwheat Eriogonum allenii S. Watson
  3. ↑ "Virginia Department of Conservation and Recreation Natural Heritage Program, Central Appalachian Shale Barrens".
  4. ↑ Biota of North America Program 2014 county distribution map
  5. 1 2 "Eriogonum allenii S.Watson". International Plant Names Index. Retrieved 26 May 2026.
  6. ↑ "Eriogonum allenii". Denver Botanic Gardens Navigator. Retrieved 26 May 2026.
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