noun
- Plant having small narrow leaves and blue-violet flowers in long open clusters; Utah and Colorado to New Mexico and Arizona.
- synonyms: Penstemon linarioides
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). narrow-leaf penstemon. Retrieved September 25, 2026, from http://smartdefine.org/narrow-leaf_penstemon/definitions/1241068 |
| Chicago | WordNet. 2010. "narrow-leaf penstemon" http://smartdefine.org/narrow-leaf_penstemon/definitions/1241068 (accessed September 25, 2026). |
| Harvard | WordNet 2010, narrow-leaf penstemon, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/narrow-leaf_penstemon/definitions/1241068>. |
| MLA | WordNet. "narrow-leaf penstemon" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/narrow-leaf_penstemon/definitions/1241068> |