noun
- Large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America.
- synonyms: genus Penstemon
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). penstemon. Retrieved September 29, 2026, from http://smartdefine.org/penstemon/definitions/1241059 |
| Chicago | WordNet. 2010. "penstemon" http://smartdefine.org/penstemon/definitions/1241059 (accessed September 29, 2026). |
| Harvard | WordNet 2010, penstemon, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/penstemon/definitions/1241059>. |
| MLA | WordNet. "penstemon" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/penstemon/definitions/1241059> |