United States, Texas, Starr, On flats among low gravelly brush covered hills, ca. 500 ft. W of FM 3167 from a point ca. 6.3-6.5 airmiles NNW of Jct. US 83 and FM 3167 on W side of Rio Grande City, on Ellison property. Rio Grande City North Quadrangle.
26.45219 -98.86081
Rare on deep, droughty calcareous, moderately alkaline, highly saline clayey soils (Catarina Series) underlain by Miocene clays and gravels of Catahoula and Frio formations.