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. It grows on Devonian shale in the eastern United States. It is found in the central Appalachian Mountains of West Virginia and Virginia.Biota of North America Program 2014 county distribution map
Eriogonum allenii grows up to tall. The leaves are tomentose to floccose, oblong to ovate, long. The flowers are yellow and are in diameter.Flora of North America Vol. 5 Shale barren wild buckwheat Eriogonum allenii S. Watson
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