Page authors: Don Knoke, David Giblin
Penstemon rupicola
cliff beardtongue, rock penstemon

Distribution: Occurring on both sides of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California.

Habitat: Rock cliffs and rocky slopes from middle elevations in the mountains to the alpine.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern


Basally shrubby, mat-forming perennial, the spreading-hairy, erect or ascending stems up to 1 dm. tall.


Mat leaves thick and firm, glaucous, glabrous or with short, spreading hairs, irregularly serrulate, the broadly elliptic or obovate blade 8-18 mm. long; leaves of the flowering shoots opposite, few, less than 1 cm. long.


Inflorescence a compact, few-flowered raceme, glandular-hairy; calyx 6-11 mm. long, the 5 segments narrowly lance-elliptic to ovate-oblong; corolla bright pink to rose-purple, 25-35 mm. long, keeled on the back, usually glabrous inside and out; anthers long-woolly; pollen sacs wholly dehiscent and opening wide enough to form a plane; staminode slender, shorter that the fertile filaments, nearly glabrous.



Accepted Name:
Penstemon rupicola (Piper) Howell
Publication: Fl. N.W. Amer. 5: 510. 1901.

Synonyms & Misapplications:
Penstemon newberryi A. Gray var. rupicola Piper
Additional Resources:

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

WA Flora Checklist: Penstemon rupicola checklist entry.

E-Flora BC: Penstemon rupicola atlas page.

CalPhotos: Penstemon rupicola photos.

USDA Plants: Penstemon rupicola information.

63 photographs:
Group by