Distribution: Endemic to the Klickitat River canyon and the east end of the Columbia River Gorge in Washington and Oregon.
Habitat: Dry soil at low elevations.
Conservation Status: Imperiled in Washington (WANHP)
Perennial, the lower part shrubby and branched, the stems 2-4 dm. tall; herbage and inflorescence glabrous and glaucous.
Leaves opposite, firm, irregularly serrulate or entire, the larger ones, up to 8 cm. long and 2.5 cm. wide, on sterile shoots borne toward the base of the main stem; cauline leaves broad, sessile, and clasping, 1.5-3.5 cm. long and 0.8-2 cm. wide
Inflorescence essentially a raceme, the axillary peduncles simple and single-flowered or sometimes branched and 2-flowered; calyx 5-7 mm. long, the 5 segments thin, ovate; corolla bilabiate, lilac or rose-purple, 33-38 mm. long, 1 cm. wide at the mouth, glabrous outside, long-hairy near the base of the lower lip within; anthers densely long-woolly, pollen sacs wholly dehiscent, becoming opposite
Capsule narrow, up to 1 cm. long.