Distribution: Occurring east of the Cascades crest chiefly in central and northeastern Washington; Southeast British Columbia to Oregon, east to the northern Great Plains.
Habitat: Dry, open places in the valleys, plains and foothills, sometimes ascending to middle elevations in the mountains.
Growth Duration: Perennial
Conservation Status: Threatened in Washington (WANHP)
Perennial from a branched, woody base, the several stems 1-4 dm. tall; inflorescence with stalked glands, the rest of the plant usually grey-puberulent.
Leaves opposite, entire or with a few teeth, up to 13 cm. long and 2 cm. wide.
Inflorescence of several verticillasters; calyx elongate, 7-13 mm. long, the 5 segments narrowly lanceolate, wholly herbaceous; corolla covered with stalked glands, lavender to reddish-purple or deep bluish-purple, 2-4 cm. long, inflated, 6-14 mm. wide at the mouth, the lower lip the longer; raised portion of the lower lip strongly bearded; pollen sacs glabrous, 1.1-1.8 mm. long, wholly dehiscent, becoming opposite; staminode exerted, the tip slightly expanded, long-bearded most of its length; ovary glandular-puberulent near the tip.
Capsule 7-12 mm. long.