Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, Idaho and Montana.
Habitat: Coniferous forest openings and open slopes from low to middle elevations.
Flowers: May-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, wasps, hummingbirds
Tufted perennial from a woody rhizome, the stems 2-5 dm. tall, mostly glabrous.
Leaves opposite, entire, the lower ones petiolate, up to 15 cm. long and 2.5 cm. wide and forming a rosette; cauline leaves sessile, lanceolate to oblong-lanceolate, up to 10 cm. long and 2.5 cm. wide.
Inflorescence of 2-10 compact verticillasters, the lower remote; bracts of the inflorescence with uneven margins; calyx 3-5 mm. long, the 5 segments with broad, uneven margins and a abrupt, slender tip; corolla ochroleucous or light yellow, 8-12 mm. long, the tube narrow, 2-3.5 mm. wide at the mouth, the short limb weakly bilabiate, the staminode and raised lower petal bearded; pollen sacs purple, glabrous, 0.4-0.7 mm. long, becoming opposite.
Capsules 4-5 mm. long.
PNW Herbaria: Specimen records of Penstemon confertus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Penstemon confertus checklist entry
OregonFlora: Penstemon confertus information
E-Flora BC: Penstemon confertus atlas page
CalPhotos: Penstemon confertus photos