Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada and Utah.
Habitat: Dry, open or sparsely wooded areas, often with sagebrush, juniper or ponderosa pine, mostly in the lowlands and foothills.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, wasps, hummingbirds
Perennial from a compact, branched, woody base, the several stout stems 2-9 dm. tall, glabrous or gray-puberulent.
Leaves opposite, entire, thick and firm, the basal ones clustered, petiolate, up to 15 cm. long and 2 cm. wide, the blade oblanceolate to narrowly elliptic; cauline leaves sessile and sometimes clasping, up to 2 cm. wide, 3.5-10 times as long as wide.
Inflorescence of numerous, loose verticillasters, sometimes one-sided; calyx 4-8 mm. long, the 5 segments ovate, scarious margined, pointed; corolla bright blue, 26-38 mm. long, 1 cm. wide at the mouth; pollen sacs 1.9-3.0 mm. long, spreading, S-shaped, mostly glabrous, a short portion remaining indehiscent; staminode usually glabrous.
Capsule 9-12 mm. long.
PNW Herbaria: Specimen records of Penstemon speciosus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Penstemon speciosus checklist entry
OregonFlora: Penstemon speciosus information
E-Flora BC: Penstemon speciosus atlas page
CalPhotos: Penstemon speciosus photos