Page authors: Don Knoke, David Giblin
Penstemon eriantherus
crested-tongue penstemon, fuzzy-tongue penstemon

Distribution: Occurring east of the Cascades crest chiefly in central and northeastern Washington; Southeast British Columbia to Oregon, east to the northern Great Plains.

Habitat: Dry, open places in the valleys, plains and foothills, sometimes ascending to middle elevations in the mountains.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Threatened in Washington (WANHP)


Perennial from a branched, woody base, the several stems 1-4 dm. tall; inflorescence with stalked glands, the rest of the plant usually grey-puberulent.


Leaves opposite, entire or with a few teeth, up to 13 cm. long and 2 cm. wide.


Inflorescence of several verticillasters; calyx elongate, 7-13 mm. long, the 5 segments narrowly lanceolate, wholly herbaceous; corolla covered with stalked glands, lavender to reddish-purple or deep bluish-purple, 2-4 cm. long, inflated, 6-14 mm. wide at the mouth, the lower lip the longer; raised portion of the lower lip strongly bearded; pollen sacs glabrous, 1.1-1.8 mm. long, wholly dehiscent, becoming opposite; staminode exerted, the tip slightly expanded, long-bearded most of its length; ovary glandular-puberulent near the tip.


Capsule 7-12 mm. long.

Accepted Name:
Penstemon eriantherus Pursh
Publication: Fl. Amer. Sept. (Pursh) 2: 737-738. 1813.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Penstemon eriantherus checklist entry.

OregonFlora: Penstemon eriantherus information.

E-Flora BC: Penstemon eriantherus atlas page.

CalPhotos: Penstemon eriantherus photos.

USDA Plants: Penstemon eriantherus information.

32 photographs:
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