houseleek
/ˈhaʊsliːk/noun
1- a succulent European plant with rosettes of fleshy leaves and small pink flowers. Houseleeks grow on walls and roofs, and are popular cultivated plants.长生草属植物。
1.1
- Sempervivum and related genera, family Crassulaceae: several species, in particular S. tectorum.长生草属及相关属, 景天科：数种, 尤指长生草（拉丁名 S. tectorum）。