United States, Arizona, Coconino County, Wupatki National Monument; Road from Wupatki Ruin to Black Falls.
1371 meters
4500 ft.
Clay pillar. Upper Sonoran.
Apparently E. divaricatum, but perianth merely glandular, not hispidulous. Does not closely resemble other collections in Sacaton Herbarium. (RHP) A few specimens in National Herbarium lack the hispidulous perianth. (THK). The geographic coordinates written in pencil on the herbarium sheet are from an unknown source.