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 | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Plantaginaceae |
| Genus: | Penstemon |
| Species: | P. comarrhenus
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| Binomial name | |
| Penstemon comarrhenus | |
Description edit
Growth pattern edit
It is a perennial growing from 1 to 4 feet (0.30 to 1.22 m) tall.[2]: 164
Leaves and stems edit
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 edit
It produces pale blue flowers from May to July.[2]: 164 Fruits are small capsules.[2]: 164
Distribution and habitat edit
It can be found in pinyon juniper woodland, mountain brush, ponderosa pine forest, and Douglas fir and aspen forest communities.[2]: 164
Ecology edit
Bees are the primary pollinator.[2]: 164
References edit
- ^ USDA, NRCS (n.d.). "Penstemon comarrhenus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 22 September 2015.
- ^ a b c d e f g 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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