Distribution: East of the Cascades in Washington; British Columbia south to Oregon, southeast to Idaho, Nevada and Utah.
Habitat: Moist and drier sites, moderate to mid-elevations in the mountains.
Conservation Status: Not of concern
Perennial herbs from rhizomes, 1-3 dm. tall, the slender, erect stems often clustered or branched from the base, variously pubescent.
Leaves opposite, short-petiolate, the blades entire, 3- to 5-nerved from near the base, lance-elliptic to oblong, 1.5-2.5 cm. long and 3-10 mm. wide, rounded at the apex.
Flowers solitary in the axils of slightly reduced leaves; calyx two-lipped, the upper lip with a prominent transverse appendage, 3.5-5.5 mm. long; corolla two-lipped, deep blue-violet, 2.4-2.8 cm. long, with open throat, the upper lip hood-like, the lower 3-lobed, spreading, the center lobe large and wide, the lateral lobes attached to the upper lip; stamens 4, the lower pair longer than the upper and with one of the pollen sacs abortive; style 2-parted; ovary 2-celled, superior.