Penstemon comarrhenus

Penstemon comarrhenus (dusty beardtongue[1] or dusty penstemon) is a perennial plant in the plantain family (Plantaginaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.[2]:164

Penstemon comarrhenus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Plantaginaceae
Genus: Penstemon
Species:
P. comarrhenus
Binomial name
Penstemon comarrhenus

Description

Growth pattern

It is a perennial growing from 1 to 4 feet (0.30 to 1.22 m) tall.[2]:164

Leaves and stems

It has smooth stems with opposite 3⁄4 to 5 inches (1.9 to 12.7 cm) long leaves, inversely lanceolate at the base, linear and smaller going up the stem.[2]:164

Inflorescence and fruit

It produces pale blue flowers from May to July.[2]:164 Fruits are small capsules.[2]:164

Habitat and range

It can be found in pinyon juniper woodland, mountain brush, ponderosa pine forest, and Douglas fir and aspen forest communities.[2]:164

Ecological and human interactions

Bees are the primary pollinator.[2]:164

References
  1. "Penstemon comarrhenus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 22 September 2015.
  2. Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, ISBN 978-0-7627-7013-7


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