United States, Texas, Travis, S side of Little Barton Creek, ca. 0.3 mi E of mouth of Spillman Hollow, ca. 1.8 airmiles WSW of jct. St. Rt. 71 and R. M. 620 (at Bee Cave). Little Barton Tract (a Prop 2 tract). Bee Cave Quadrangle.
30.30111 -97.97444
Common in shallow stony clay loam (Brackett Series) in oak-juniper forest on steep sides of small canyon on N-facing slope of Glen Rose Limestone. Associates include Quercus buckleyi, Juniperus ashei, Carex planostachys, Verbesina lindheimeri, Argythamnia simulans, Euphorbia villifera, Schizachyrium scoparium.