Penstemon glaber var. alpinus
(Alpine Sawsepal Penstemon)
Penstemon glaber var. alpinus, Lower Cataract Lake, Summit Co. 1573/1584
Penstemon glaber var. alpinus, Lower Cataract Lake, Summit Co. 1541
Penstemon glaber var. alpinus, Lower Cataract Lake, Summit Co. 1539
Penstemon glaber var. alpinus, Lower Cataract Lake, Summit Co. 1586
| Scientific Name | Penstemon glaber var. alpinus | USDA PLANTS Symbol | PEGLA |
| Common Name | Alpine Sawsepal Penstemon | ITIS Taxonomic Serial No. | 529485 |
| Family | Plantaginaceae (Plantain) formerly Scrophulariaceae | SEINet Reference |
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| Description |
Life zones and habitat: Foothills to subalpine (5500 to 11000 ft). Common in open meadows with gravelly soils. Plant: Erect, stout unbranched perennial 20 to 26 inches tall with smooth stems. Leaves: Basal leaves usually lanceolate, sometimes ovate with entire margins and 3/4 to 3-1/8 inches long; stem leaves linear-lanceolate to lanceolate, entire margins, 1-1/4 to 4-3/4 inches long and upper-most clasping; leaves smooth or hairy. Inflorescence: Flowers in 8 to 12 crowded clusters along stem, tending to be on one side; each 5-lobed corolla 1 to 1-3/8 inches long, blue to lavender and hairless externally; lower lobes smooth or somewhat hairy internally; staminode (unfertile stamen in center of blossom) tip hairy, rounded or with slight notch, and anthers usually hairy. Bloom Period: June to August. References: "Flora of Colorado" by Jennifer Ackerfield and Montana Field Guide. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County