Distribution: Occurring east of the Cascades crest in Washington; central Washington to north-central Oregon, and from southeastern Washington to eastern Oregon, east to Idaho.
Habitat: Open, often rocky hillsides and banks in the foothills, valleys, and lower mountains.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, wasps, hummingbirds
Stout perennial herb from a branched, woody base, the several stems 4-10 dm. tall, sticky throughout with stalked glands.
Leaves opposite, sharply toothed or entire, the basal ones 10-35 cm. long and 2.5-9 cm. wide, petiolate, the blade lanceolate to elliptic; lowermost cauline leaves reduced, the others well-developed, sessile and often clasping, broadly lanceolate to rotund-ovate, 4-12 cm. long and 2-5 cm. wide.
Inflorescence of several verticillasters; calyx 9-15 mm. long, the 5 segments narrow and herbaceous; corolla blue-lavender, strongly glandular-hairy outside, glabrous inside, 28-40 mm. long, over 1 cm. wide at the mouth; anthers permanently horseshoe-shaped, 1.7-2.3 mm. long; pollen sacs dehiscent across their apices, the lower part saccate and indehiscent, glabrous; staminode glabrous, the tip flattened.
Capsules 10-14 mm. long, surpassed by the calyx.
PNW Herbaria: Specimen records of Penstemon glandulosus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Penstemon glandulosus checklist entry
OregonFlora: Penstemon glandulosus information
E-Flora BC: Penstemon glandulosus atlas page
CalPhotos: Penstemon glandulosus photos