noun
- Perennial stoloniferous thistle of northern Europe with lanceolate basal leaves and usually solitary heads of reddish-purple flowers.
- synonyms: melancholy thistle, Cirsium heterophylum
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cirsium helenioides. Retrieved September 21, 2026, from http://smartdefine.org/cirsium_helenioides/definitions/1265620 |
| Chicago | WordNet. 2010. "cirsium helenioides" http://smartdefine.org/cirsium_helenioides/definitions/1265620 (accessed September 21, 2026). |
| Harvard | WordNet 2010, cirsium helenioides, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/cirsium_helenioides/definitions/1265620>. |
| MLA | WordNet. "cirsium helenioides" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/cirsium_helenioides/definitions/1265620> |