noun
- Tall erect and very leafy perennial herb of eastern North America having dense spikes of blue flowers.
- synonyms: great lobelia, Lobelia siphilitica
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). blue cardinal flower. Retrieved September 23, 2026, from http://smartdefine.org/blue_cardinal_flower/definitions/1260868 |
| Chicago | WordNet. 2010. "blue cardinal flower" http://smartdefine.org/blue_cardinal_flower/definitions/1260868 (accessed September 23, 2026). |
| Harvard | WordNet 2010, blue cardinal flower, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/blue_cardinal_flower/definitions/1260868>. |
| MLA | WordNet. "blue cardinal flower" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/blue_cardinal_flower/definitions/1260868> |