Page author: David Giblin
Penstemon humilis
lowly penstemon
WTU specimens
Other herbaria

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

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 humilis Nutt. ex A. Gray

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. humilis – lowly penstemon
Additional Resources:

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

WA Flora Checklist: Penstemon humilis checklist entry.

E-Flora BC: Penstemon humilis atlas page.

CalPhotos: Penstemon humilis photos.

USDA Plants: Penstemon humilis information.

17 photographs:
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