United States, Texas, Bexar, Entering Government Canyon from W, on W side of jeep trail in bottom of Government Canyon, 1.9 roadmiles N of its jct. with E-W road at base of escarpment ca. 4.7 airmiles NNE of jct. FM 471 and FM 1283. Government Canyon State Natural Area. San Geronimo
29.57361 -98.76611
Common in rocky loamy soil in deciduous woodland in bed of and along banks of small intermittent creek in narrow limestone canyon. Associates include (see 43 species on herbarium sheet.).