United States, Texas, McMullen, Along western fenceline of U. S. Navy's Escondido Ranch, 1.6 airmiles W to WNW of ranch HQ, 3.3-3.4 airmiles NE of SW corner of county. Piedra Creek SE Quadrangle.
28.09164 -98.76586
Locally frequent in open mesquite-persimmon shrubland on convex hill of fine sand rising about 15 feet above clayey alluvial plain formed by various channels of Nueces River. Associates include Aphanostephus riddellii, Aristida purpurea, Berberis trifoliolata, Carlowrightia texana, Celtis pallida, Chamaesyce glyptosperma, Croton lindheimerianus, Descurainia pinnata, Diospyros texana, Ephedra antisyphilitica, Jatropha dioica, Koeberlinia spinosa, Opuntia leptocaulis, O. lindheimeri, Parietaria pensylvanica, Pectis tenella, Pennisetum ciliare, Prosopis glandulosa, Yucca treculeana, Y. cf. constricta.