Page author: David Giblin
Penstemon procerus
small-flowered penstemon

Distribution: Widely distributed throughout Washington; Alaska south to California, east to North Dakota, Wyoming and Colorado.

Habitat: Moist forest openings at moderate elevations to rocky slopes at high elevations.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern


Plants tufted from a woody rhizome, the slender stems 0.5-4 dm. tall, glabrous throughout.


Leaves opposite, entire, the basal ones petiolate, oblanceolate to elliptic, up to 10 cm. long and 1.5 cm. wide, often poorly developed; cauline leaves few, mostly sessile, often much smaller that the basal leaves.


Inflorescence of 1-several, very dense verticillasters, the flowers curved downward; calyx 1.5-6 mm. long, the 5 segments truncate to acute, the margins scarious; corolla deep blue-purple, 6-11 mm. long, the tube narrow, 2-3 mm. wide at the mouth, not strongly bilabiate, the raised part of the lower lip bearded; staminode usually bearded, sometimes glabrous; pollen sacs glabrous, sub-rotund, wholly dehiscent and opening wide enough to form a plane.


Capsules 5-8 mm. long and seeds approximately 1 mm. in length.

Accepted Name:
Penstemon procerus Douglas ex Graham

Synonyms & Misapplications:
(none provided)
var. procerus – small-flowered penstemon
var. tolmiei – small-flowered penstemon    Cascades of Washington and southern British Columbia, and in the Olympics
Additional Resources:

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

WA Flora Checklist: Penstemon procerus checklist entry.

E-Flora BC: Penstemon procerus atlas page.

CalPhotos: Penstemon procerus photos.

USDA Plants: Penstemon procerus information.

57 photographs:
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