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Eriogonum longifolium var. harperi
Eriogonum longifolium var. harperi, also known as Harper's buckwheat or Harper's umbrella plant, is a dicot of the family Polygonaceae, found in areas of nutrient-poor shale soils in Alabama, Kentucky and Tennessee. It lives inconspicuously in an immature vegetative stage for four or more years before developing a flowering stalk, then flowers and dies. It is listed as an endangered species by the state of Tennessee. It has eleven small populations in Alabama and five in Tennessee but its survival in Kentucky is uncertain. According to a leading expert, Professor James L. Reveal of the University of Maryland, its Kentucky population has been reportedly extirpated. Its 2006 Alabama Natural Heritage Program ranking was G4T2S1, demonstrating an opinion that it was "critically imperiled" in that state.
Abert's buckwheat · Winged buckwheat · Shale barren buckwheat · Trinity buckwheat · Mono buckwheat · Anglestem buckwheat · San Jacinto buckwheat · Ione buckwheat · Santa Cruz Island buckwheat · Clay buckwheat · Sulphur Hot Springs buckwheat · Bailey's buckwheat
Text excerpted from the Wikipedia article Eriogonum longifolium var. harperi by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
