Penstemon hallii

(Hall’s Beardtongue)

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Penstemon hallii, Black Powder Pass, Summit Co. 0185

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Penstemon hallii, Crystal Lakes, Summit Co. 0786

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Penstemon hallii, Crystal Lakes, Summit Co. 0786

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Penstemon hallii, Black Powder Pass, Summit Co. 0182

Scientific Name Penstemon hallii USDA PLANTS Symbol PEHA9
Common Name Hall's Beardtongue ITIS Taxonomic Serial No. 33699
Family Plantaginaceae (Plantain) formerly Scrophulariaceae SEINet
Reference
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Description Life zones and habitat: Alpine (10000 to 14000 ft). Alpine meadows, tundra, scree slopes.
Plant: Perennial 4 to 8 inches tall, several erect stems, often mat-forming.
Leaves: Mostly basal leaves, smooth, narrowly oblanceolate to linear-lanceolate, 3/4 to 2 inches long and 1/10 to 1/3-inch wide.
Inflorescence: Few to many blossoms in thryse clusters atop stems on shorter plants, one-sided groupings on taller plants; bright reddish-purple, blue to blue-purple flowers, white streaks in throat; protruding staminode, densely orange-bearded most of its length.
Bloom Period: June to August.
References: "A Guide To Rocky Mountain Plants" by Roger L. Williams, "Flora of Colorado" by Jennifer Ackerfield and the American Penstemon Society.
BONAP Distribution Map
Colorado Status:
Native
Endemic

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County