United States, Texas, Val Verde, W side of eastern perimeter road 0.6 roadmiles S of NE corner of installation, ca. 5.1 airmiles E of jct. US 90 and F. M. 2523 E of Del Rio. Laughlin AFB. Del Rio SE Quadrangle.
29.37222 -100.76167
Locally common, several hundred stems over 10-20 acres, in mixed shrubland on silty clay loam over Uvalde Gravel on +/- level upland. Woody associates include Berberis trifoliolata, Castela erecta, Chrysactinia mexicana, Colubrina texensis, Condalia Spathulata, Dalea formosa, Diospyros texana, Ephedra antisyphilitica, Flourensia cernua, Forestiera angustifolia, Guaiacum angustifolium, Leucophyllum frutescens, Nolina texana, Opuntia spp., Parkinsonia texana, Prosopis glandulosa, Rhus microphylla, Salvia ballotiflora, Schaefferia cuneifolia, Tiquilia canescens, Yucca treculeana, Zexmenia hispida.