noun
- Small clustering cactus of southwestern United States; a threatened species.
- synonyms: Pediocactus knowltonii
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). knowlton's cactus. Retrieved September 25, 2026, from http://smartdefine.org/knowlton%27s_cactus/definitions/1236981 |
| Chicago | WordNet. 2010. "knowlton's cactus" http://smartdefine.org/knowlton%27s_cactus/definitions/1236981 (accessed September 25, 2026). |
| Harvard | WordNet 2010, knowlton's cactus, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/knowlton%27s_cactus/definitions/1236981>. |
| MLA | WordNet. "knowlton's cactus" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/knowlton%27s_cactus/definitions/1236981> |