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 alyssum, Berteroa incana
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hoary alison. Retrieved September 24, 2026, from http://smartdefine.org/hoary_alison/definitions/1237065 |
| Chicago | WordNet. 2010. "hoary alison" http://smartdefine.org/hoary_alison/definitions/1237065 (accessed September 24, 2026). |
| Harvard | WordNet 2010, hoary alison, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/hoary_alison/definitions/1237065>. |
| MLA | WordNet. "hoary alison" 23 October 2010. Web. 24 September 2026. <http://smartdefine.org/hoary_alison/definitions/1237065> |