United States, California, Butte, Along Ponderosa Way, California. Found growing on dry red rocky soil along Ponderosa Way, about 2 miles south-east of the intersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville, California. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
39.613889 -121.416389 +-402m. NAD83
39§ 36m 50s N; 121§ 24m 59s W
500 meters (1640ft)
Perennial, stems 5-10 dm. high. Found growing on dry red rocky soil. Normal size plants. The plant is uncommon in the area and the large flowers are blue. Plant association: Foothill Woodland.