Page author: David Giblin
Penstemon humilis
lowly penstemon

Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains.

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

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


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


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.


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.


Capsule 4-6 mm. long.

Accepted Name:
Penstemon humilis Nutt. ex A. Gray

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Penstemon humilis checklist entry.

OregonFlora: Penstemon humilis information.

E-Flora BC: Penstemon humilis atlas page.

CalPhotos: Penstemon humilis photos.

USDA Plants: Penstemon humilis information.

11 photographs:
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