Distribution: Occurring east of the Cascades crest in the Blue Mountains of southeastern Washington; southeastern Washington to Blue Mountains in adjacent northeastern Oregon.
Habitat: Open, gravelly and sandy slopes and ridges, sometimes associated with ponderosa pine forest openings, at middle elevations.
Conservation Status: Sensitive in Washington (WANHP)
Glabrous perennial from a branched crown, with several stout stems 2-6 dm. tall.
Leaves opposite, entire, the basal ones clustered, up to 27 cm. long and 4 cm. wide, petiolate, the blade lanceolate or narrowly elliptic; cauline leaves mostly sessile, broad and clasping.
Inflorescence of several verticillasters; calyx 5-cleft nearly to the base, 6-9 mm. long, the segments narrow and acuminate; corolla bilabiate, bright blue, 25-33 mm. long, about 1 cm. wide at the mouth, glabrous; pollen sacs 1.9-2.5 mm. long, divaricate, twisted, dentate along the sutures, the inner end indehiscent; fertile stamens 4; sterile stamen short-bearded toward the tip.
Capsule 9-12 mm. long.