(White Penstemon)
Penstemon albidus, Pawnee Buttes, Weld Co. 7967
Penstemon albidus, Pawnee Buttes, Weld Co. 7969
Penstemon albidus, Pawnee Buttes, Weld Co. 7974
Penstemon albidus, Pawnee Buttes, Weld Co. 7979
| Scientific Name | Penstemon albidus | USDA PLANTS Symbol | PEAL2 |
| Common Name | White Penstemon, White Beardtongue | ITIS Taxonomic Serial No. | 33666 |
| Family | Plantaginaceae (Plantain) | SEINet Reference |
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| Description |
Life Zones and habitat: Plains and foothills (3500 to 6800 ft.); sandy, rocky soils in pastures, fields, roadsides and other open areas. Plant: Erect perennial, 4 to 22 inches tall; rough, minute hairs on stem and foliage; 2 to 5 stems arising from base. Leaves: Basal leaves petiolate, mostly smooth edges, hairless or somewhat hairy, narrowly-spatulate to oblong, to 3-1/2 inches long and up to 3/4-inch wide with blunt or rounded tips; stem leaves opposite, sessile and more lanceolate upward with small-toothed edges. Inflorescence: Whorl-like clusters of pubescent-hairy, funnel-shaped flowers, each up to 3/4-inch long, with pointed sepals 1/4 to 1/3 inch long below; white to pale-lavender petals with prominent purplish veins, united at base with 3-lobed lower lip and somewhat smaller 2-lobed upper lobe; 4 dark-tipped stamens along upper side; staminode with yellow hairs. Bloom Period: May to July. References: "Flora of Colorado" by Jennifer Ackerfield, "Wildflowers of Texas" by Michael Eason, "Manual of the Vascular Plants of Texas" by Correll and Johnston, American Penstemon Society and Minnesota Wildflowers. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains