United States, Texas, Val Verde, Upper portion of steep dry rocky limestone slope, above short side canyon draining SW into "The Grotto", SE of Dolan Creek, ca. 0.7 airmiles NE of Dolan Falls. Dolan Falls Ranch. Dolan Springs Quadrangle.
29.89028 -100.98333
Stems prostrate, rare in small clay soil pockets among Agave lechuguilla, Acacia berlandieri, Jatropha dioica, Opunita spp., Croton incanus, etc.