United States, California, Kern, Kern County: Tehachapi Mountains, gentle slopes NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, 0.5 mi. south of peak 4908, 0.5 mi. north of the Los Angeles Co. line.
34.82639 -118.79611 +-1000m.
34° 49m 35s N; 118° 47m 46s W
1372 meters (4500ft)
Extensive clay patch and adjacent limestone outcrops; grassland on clay soil, oak woodland on rocky slopes.
Scarce perennial on limestone outcrop; fls. purple.