Page authors: Don Knoke, David Giblin
Penstemon cinereus
gray beardtongue
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington; central Washington to northeastern California and northwestern Nevada.

Habitat: Dry, open, often rocky places, frequently with sagebrush, from the plains and foothills to higher elevations in the mountains.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Description:
General:

Plants from a branching, woody base, the stems 1-6 dm. tall, usually finely gray-puberulent throughout, with stalked glands in the inflorescence.

Leaves:

Leaves opposite, entire, the basal ones tufted and persistent, petiolate, up to 12 cm. long and 2 cm. wide, with elliptic or ovate blades, the cauline ones sessile and reduced.

Flowers:

Inflorescence of several loose, few-flowered verticillasters; calyx 2.5-6 mm. long, broadly lanceolate, narrowly scarious-margined, pointed; corolla blue-purple, glandular-hairy, 10-17 mm. long, the tube 3-6 mm. wide at the mouth, the raised portion of the lower lip bearded; pollen sacs 0.4-0.8 mm. long, glabrous, becoming opposite; staminode densely bearded toward the tip.

Fruits:

Capsule 4-6 mm. long.

Accepted Name:
Penstemon cinereus Piper
Publication: Contr. U.S. Natl. Herb. 16: 209. 1913.

Synonyms & Misapplications:
Penstemon humilis Nutt. ex A. Gray, misapplied [FNA17, JPM2]
Penstemon humilis Nutt. ex A. Gray var. humilis, misapplied [FNA17, JPM2, FPNW2]
Infraspecies:
ssp. cinereus – gray beardtongue   Occurring east of the Cascades crest in Washington; south-central Washington to northeastern California and northwestern Nevada.
ssp. foliatus – leafy gray beardtongue   Occurring east of the Cascades crest in Washington; central Washington to south-central and southeastern Oregon.
Additional Resources:

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

WA Flora Checklist: Penstemon cinereus checklist entry.

E-Flora BC: Penstemon cinereus atlas page.

CalPhotos: Penstemon cinereus photos.

USDA Plants: Penstemon cinereus information.

6 photographs:
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