noun
- Tall European annual with downy grey-green foliage and dense heads of small white flowers followed by hairy pods; naturalized in North America; sometimes a troublesome weed.
- synonyms: hoary alison, Berteroa incana
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hoary alyssum. Retrieved September 24, 2026, from http://smartdefine.org/hoary_alyssum/definitions/1285247 |
| Chicago | WordNet. 2010. "hoary alyssum" http://smartdefine.org/hoary_alyssum/definitions/1285247 (accessed September 24, 2026). |
| Harvard | WordNet 2010, hoary alyssum, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/hoary_alyssum/definitions/1285247>. |
| MLA | WordNet. "hoary alyssum" 23 October 2010. Web. 24 September 2026. <http://smartdefine.org/hoary_alyssum/definitions/1285247> |