United States, California, Butte, In a small mountain meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown. T19N R06E S18 SE1/4
39.500833 -121.336944 +-201m. NAD83
T19N R06E S18 SE1/4; 39§ 30m 3s N; 121§ 20m 13s W
610 meters
2000ft.
Normal size plants, on dry red rocky soil, in a small dry mountain meadow. Uncommon. Flowers deep purple. Yellow Pine Forest. Host for one plant is Perideridia kelloggii.
Schneider 2017 annotation label says: tissue sample removed 10-Jan-2016 for DNA analysis. (Schneider et al. 2016; Ann. Bot. 118:1101-1111).