| 词条 | Penstemon azureus |
| 释义 |
| taxon = Penstemon azureus | authority = Benth. }} 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. DescriptionPenstemon 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. External links
7 : Penstemon|Flora of California|Flora of Oregon|Flora of the Cascade Range|Flora of the Klamath Mountains|Flora of the Sierra Nevada (U.S.)|Natural history of the California Coast Ranges |
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