noun
- Plant with whorls of small dark blue-violet flowers; Washington to Wyoming and south to California and Colorado.
- synonyms: Penstemon rydbergii
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). rydberg's penstemon. Retrieved September 26, 2026, from http://smartdefine.org/rydberg%27s_penstemon/definitions/1241073 |
| Chicago | WordNet. 2010. "rydberg's penstemon" http://smartdefine.org/rydberg%27s_penstemon/definitions/1241073 (accessed September 26, 2026). |
| Harvard | WordNet 2010, rydberg's penstemon, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/rydberg%27s_penstemon/definitions/1241073>. |
| MLA | WordNet. "rydberg's penstemon" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/rydberg%27s_penstemon/definitions/1241073> |