United States, Texas, Lamar, Both sides of N-S pipeline clearing parallel to NE perimeter fence, ca. 0.2-0.3 mi N of Co. Rd. 34950 ca. 0.3 mi W of its jct. with US Rt. 271 at Powderly Camp Maxey (Texas National Guard). Powderly Quad.
33.81528 -95.52722
Occasional in deep, somewhat poorly drained, slightly acid loam (Annona Series, Vertic Paleudalfs) underlain by clay, in open postoak shortleaf pine savanna. Associates include (see 16 species on herbarium sheet).