Page authors: Don Knoke, David Giblin
Penstemon confertus
lesser yellow beardtongue

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

Conservation Status: Not of concern


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.

Accepted Name:
Penstemon confertus Douglas ex Lindl.
Publication: Edwards\'s Bot. Reg. 15: pl. 1260. 1829.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Penstemon confertus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Penstemon confertus checklist entry.

E-Flora BC: Penstemon confertus atlas page.

CalPhotos: Penstemon confertus photos.

USDA Plants: Penstemon confertus information.

44 photographs:
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