Kingdom Plantae Family Plantaginaceae Scientific name Penstemon azureus Rank Species | Order Lamiales Genus Penstemon Higher classification Beardtongue | |
Similar Beardtongue, Penstemon anguineus, Penstemon deustus, Penstemon clevelandii, Penstemon grinnellii | ||
Penstemon azureus is a species of penstemon known by the common name azure penstemon.
It is native to the mountains of Oregon and northern California. It grows in coniferous forests and woodlands in the Klamath Mountains, North California Coast Ranges, Southern Cascade Range, and Northern Sierra Nevada.
Description
Penstemon azureus is a perennial herb, woody toward the base, with many thin branches reaching up to about 70 centimeters in maximum height. The oppositely arranged leaves are linear or lance-shaped, the ones higher on the plant clasping the stem.
The inflorescence produces several hairless tubular flowers in shades of blue to lavender measuring up to 3.5 centimeters long.
References
Penstemon azureus Wikipedia(Text) CC BY-SA