Penstemon azureus is a flowering plant species 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.

Penstemon azureus

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.

Penstemon azureus

The inflorescence produces several hairless tubular flowers in shades of blue to lavender measuring up to 3.5 centimeters long.

Penstemon azureus

References

External links

azureus

Flora of California

Flora of Oregon

Flora of the Cascade Range

Flora of the Klamath Mountains

Flora of the Sierra Nevada (United States) Natural history of the California Coast Ranges Flora without expected TNC conservation status