United States, Arizona, Yuma, Alongside State Hwy. 95, 7 mi S. Parker. (El. at Parker 420 ft.)
In very xeric creosote-bush desert.
A common mound-shaped sand-binder. Flowers with some greenish yellow color (at least centrally and within). Stigma and stamens yellow. Overall, plants were a very pale grayish green; lvs. were almost white beneath. Some individuals were 1.5ft tall and 3.5ft wide; others were much smaller. Woody twd. base.