Distribution: Occurring east of the Cascades crest in Washington; central Washington to north-central and northeastern Oregon.

Habitat: Dry, open, often rocky slopes at low to moderate elevations.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, hummingbirds

Perennial herbs from fibrous roots and branching, woody base, the numerous, square stems simple or branched, 4-8 dm. tall, glabrous or finely puberulent.

Leaves opposite, petioles 1-5 cm. long, the blades ovate to deltoid, with rounded teeth, up to 6 cm. long and 4 cm. wide, glabrous or finely scabrous on the upper surface, and with very short, fine, tangled-woolly hairs on the lower surface.

Inflorescence spike-like, 3-15 cm. long; calyx prominently veined, the 5 equal teeth 3-5 mm. long, narrowly triangular, acuminate, usually tinged with lavender-purple; corolla whitish to lavender, 10-14 mm. long, two-lipped, with short lobes; stamens 4, exerted, the upper pair longer than the lower; style slender, 2-parted; ovary superior, 2-celled.

Fruit of 4 nutlets.