|Scientific Name||Penstemon strictus||USDA PLANTS Symbol||PEST2|
|Common Name||Rocky Mountain Penstemon||ITIS Taxonomic Serial No.||33772|
|Family||Plantaginaceae (Plantain) formerly Scrophulariaceae||SEINet
Life zones and habitat: Foothills to subalpine (5500 to 11000 ft). Meadows, woodlands openings.
Plant: Erect, stout unbranched perennial 14 to 28 inches tall, multiple stems; usually in colonies.
Leaves: Basal leaves narrowly oblanceolate up to 5-1/2 inches long; stem leaves linear, tending to erect and shorter; leaves often folded.
Inflorescence: Flowers in a 4 to 10 small clusters along stem, tending to be on one side; each 5-lobed flower about 1 inch long, blue/purple, more blue along lobe edges; otherwise hairless blossoms have hairy stamens (anthers); staminode (unfertile stamen in center of blossom) has no hairs.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield and American Southwest.
|BONAP Distribution Map
Map Color Key
© Tom Lebsack 2023
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County