houseleek

詳細解釋：

house.leek

n.（名詞）
Any of various plants of the genusSempervivum native to the Old World, especially S. tectorum, having a persistent, basal rosette of fleshy leaves and a branching cluster of pinkish or purplish flowers. Also called live-forever ,old-man-and-woman
長生草屬植物：長生草屬 植物，產於歐洲大陸，尤指 屋頂長生草 ，具有不落的肥厚葉片，葉片的底部呈蓮座型，有淡粉色或淡紫色的分枝花簇 也作 live-forever,old-man-and-woman