USA, Texas, Reeves, Roadside FM 3078, 3.3 mi W of Toyahvale (junct. 17-3078).
30° 56' 30.00" N 103° 50' 45.11" W
1063 meters Verbatim Elevation:
Gravel; part calcareous.
Plants to 1 m or more high; sap yellow; petals pale yellow, filaments purplish, anthers yellow to brownish; at this site, plants with white flowers, yellow filaments, and plants with very pale yellow petals, purplish to brownish filaments; seemingly a hybrid swarm.