Delphinium nuttallii Gray var. nuttallii
Annotated by David Sutherland, Aug 1967. Remarks: University of Washington.

Washington: Cowlitz County: Circa 5 miles south of Kelso.
46.07151° N, 122.8657° W,
Datum: WGS 84. Uncertainty: 1000 meters. Coordinate Source: GeoLocate.
Dry basaltic cliffs. With Quercus garryana, Rhus diversiloba, etc. Plants fairly firmly attached to the globose to ovoid mostly single (to several) tuberous, fleshy roots, the size of the root dependent upon the age of the plant; sepals and lower petals deep bluish-purple; sepals greenish-tipped and markedly cucullate, the flower not at all flaring, therefore (in distinction to D. bicolor and D. menziesii); upper petals slightly lighter in color; spur shorter than sepals; inflorescence long, loose, usually compound. Phenology: Flowers.

C. Leo Hitchcock 20775, May 26, 1956
With C. V. Muhlick
WTU, Accession: 164113