Penstemon palmeri
(Palmer’s Penstemon)
Penstemon palmeri, North of Paonia, Delta Co. 2742
Penstemon palmeri, North of Paonia, Delta Co. 2692
Penstemon palmeri, North of Paonia, Delta Co. 2720
Penstemon palmeri, North of Paonia, Delta Co. 2724
Leaves, Penstemon palmeri, North of Paonia, Delta Co. 2698
| Scientific Name | Penstemon palmeri | USDA PLANTS Symbol | PEPA8 |
| Common Name | Palmer's Penstemon | ITIS Taxonomic Serial No. | 33738 |
| Family | Plantaginaceae (Plantain) | SEINet Reference |
Click Here |
| Description |
Life zones and habitat: Foothills (6000 to 7700 ft); sandy soils along roadsides. Plant: Erect perennial with solitary or few stems 20 to 55 inches tall. Leaves: Basal and lower stem leaves large (2-3/8 to 4 inches long and 1/2 to 1-1/4 inches wide) and oblong to ovate; mid-stem leaves smaller, ovate; dentate margins; stem leaves opposite and clasping. Inflorescence: Flowers in 5 to 10 crowded cymes clustered along stem, tending to be on one side; each cluster with 2 to 5 flowers; flowers with 5-lobed corolla about 3/4-inch long, mostly light pink with a few purple lines on the lower lobes; lower lobes smooth or somewhat hairy internally; staminode (unfertile stamen in center of blossom) slightly protruding, tip hooked and densely bearded with long, pale brownish yellow hairs. Bloom Period: June to August. References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and American Southwest. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2023
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County