United States, Texas, Val Verde, Ca. 0.4-0.5 airmiles NE of TPWD bunkhouse, ca. 8-9 airmiles NW of jct. US Rt. 277 and road to Rough Canyon Recreation Area. SW part of Devils River State Natural Area Southern Unit.
29.67631 -100.99539
In patch of live oak woodland on narrow terrace or valley flat along wet-weather drainageway in bottom of fairly broad canyon in Salmon Peak Limestone. Associates included Acacia roemeriana, Berberis trifoliolata, Diospyros texana, Mimosa sp., Salvia ballotiflora, Streptanthus platycarpus, Leucophyllum frutescens, Sophora secundiflora, Juniperus sp., Yeatesia platystegia, Forestiera reticulata.