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AGAVE AND YUCCA | CACTI | WILDFLOWERS

Penstemon Virgatus, Beardless Sidebells Penstemon


Plants > Wildflowers > Plantaginaceae > Penstemon Virgatus
Beardless Sidebells Penstemon; Penstemon virgatus (beardless sidebells penstemon), Estes Cone Trail in Rocky Mountain National Park, Colorado
Penstemon virgatus (beardless sidebells penstemon), Estes Cone Trail in Rocky Mountain National Park, Colorado
Common names:
Beardless sidebells penstemon, upright blue beardtongue
Family:
Plantain (Plantaginaceae)
Scientific name:
Penstemon virgatus
Main flower color:
Purple
Range:
Arizona, New Mexico and far south Colorado
Height:
Between 1 and 3 feet
Habitat:
Grassland, meadows, moist locations in coniferous forests, between 6,000 and 11,000 feet
Leaves:
Linear to lanceolate
Season:
June to August
Pintrest
The five lobed corolla of penstemon virgatus is colored pale purple (occasionally all-white), streaked by dark purple lines; one down the center of each lobe and others in between, within the flower center. The corolla, the short green bracts and the upwards pointing stems are all usually hairless, and not glandular. All stamens are white; the staminode is straight, a little broader at the tip and not projecting beyond the mouth of the corolla, while the other four are curved inwards. None have any hairs. Leaves are thin and relatively long, sometimes bent upwards at either side along the axis. The species is somewhat variable, in such aspects as flower size, shape of the lobes, leaf width and amount of hair.




Light purple flowers
Light purple flowers
Beardless Sidebells Penstemon
Buds
Group of flowers
Group of flowers
Yellowish buds and purple flowers
Yellowish buds and purple flowers
Flower cluster
Flower cluster
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