United States, Texas, Parker, E side of a N-S road in NC part of ranch, ca. 3.9-4.0 airmiles SSW of jct. St. Rt. 5 and F. M. 2376 at Aledo. Bear Creek Unit of Dixon Ranch. Anneta Quadrangle.
32.63142 -97.62767
Locally common in grassland on shallow, well drained, calcareous, moderately alkaline gravelly clay loam on convex upland underlain by limestone and clay of the Kiamichi Formation. Associates include Ambrosia psilostachya, Asclepias viridis, Bromus japonicus, Dalea compacta, Gaura brachycarpa, Glandularia bipinnatifida, Nassella leucotricha, Plantago wrightiana, Polytaenia nuttallii, Psoralidium tenuiflorum, Pyrrhopappus pauciflorus, Solanum elaeagnifolium.