|Scientific Name||Penstemon albidus||USDA PLANTS Symbol||PEAL2|
|Common Name||White Penstemon, White Beardtongue||ITIS Taxonomic Serial No.||33666|
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
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County