(n.) A genus of fleshy-leaved plants, of which the houseleek (Sempervivum tectorum) is the commonest species.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sempervivum. Retrieved September 21, 2026, from http://smartdefine.org/sempervivum/definitions/2060338 |
| Chicago | Webster's. 2011. "sempervivum" http://smartdefine.org/sempervivum/definitions/2060338 (accessed September 21, 2026). |
| Harvard | Webster's 2011, sempervivum, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/sempervivum/definitions/2060338>. |
| MLA | Webster's. "sempervivum" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/sempervivum/definitions/2060338> |