Blooms: April - June
Habit: herb
Duration: perennial
Origin: Native
Distribution: Grant County to Klickitat and Walla Walla Counties, Washington, and adjacent Oregon; also in Gooding and Owyhee Counties, Idaho.
Habitat: Dry, open, sandy places at low elevations.
Habit: herb
Duration: perennial
Origin: Native
Distribution: Grant County to Klickitat and Walla Walla Counties, Washington, and adjacent Oregon; also in Gooding and Owyhee Counties, Idaho.
Habitat: Dry, open, sandy places at low elevations.
Species Description:
General: Herbaceous, glabrous perennial from a short, branched woody base, with several stout stems 1.5-6 dm. tall, the herbage glaucous.
Leaves: Leaves opposite, thick and firm, the basal leaves tufted, oblanceolate, up to 15 cm. long and 2 cm. wide; cauline leaves sessile and clasping, progressively shorter and broader upward.
Flowers: Inflorescence of rather dense verticillasters, the bracts subtending the lower verticillasters broad and leafy, the upper ones reduced; calyx deeply 5-parted, the segments lanceolate, entire; corolla bright blue, tubular, 14-21 mm. long, the tube expanded toward the end; pollen sacs glabrous, dehiscent throughout and becoming opposite, 0.8-1.2 mm. long; staminode (sterile stamen) usually yellow-bearded for about 1 mm. toward the tip.
Fruits: Capsule 7-12 mm. long, excluding the slender beak, which is up to 5 mm. long.
General: Herbaceous, glabrous perennial from a short, branched woody base, with several stout stems 1.5-6 dm. tall, the herbage glaucous.
Leaves: Leaves opposite, thick and firm, the basal leaves tufted, oblanceolate, up to 15 cm. long and 2 cm. wide; cauline leaves sessile and clasping, progressively shorter and broader upward.
Flowers: Inflorescence of rather dense verticillasters, the bracts subtending the lower verticillasters broad and leafy, the upper ones reduced; calyx deeply 5-parted, the segments lanceolate, entire; corolla bright blue, tubular, 14-21 mm. long, the tube expanded toward the end; pollen sacs glabrous, dehiscent throughout and becoming opposite, 0.8-1.2 mm. long; staminode (sterile stamen) usually yellow-bearded for about 1 mm. toward the tip.
Fruits: Capsule 7-12 mm. long, excluding the slender beak, which is up to 5 mm. long.
Subspecies & Varieties:
Ours is var. acuminatus
Accepted Name:
Penstemon acuminatus Dougl. ex Lindl.Synonyms:
(none)
Treated in Flora of the PNW as:
Penstemon acuminatus
Additional Resources:
PNW Herbaria Specimens: View list of Penstemon acuminatus specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Penstemon acuminatus specimens in the WTU Herbarium database.
Washington Flora Checklist: Penstemon acuminatus treatment.
E-Flora BC: Penstemon acuminatus atlas page.
CalPhotos: Penstemon acuminatus images.
USDA Plants Database: Penstemon acuminatus.
Ben Legler, 2005
Ben Legler, 2005
Ben Legler, 2005
Ben Legler, 2005
Ben Legler, 2005
Ben Legler, 2005
H. Tim Gladwin, 1988
H. Tim Gladwin, 1988
G. D. Carr, 2002
G. D. Carr, 2002
Robert L. Carr, 2009
Robert L. Carr, 2009
Robert L. Carr, 2009
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 WA Native Plant Society |
