the common houseleek (Sempervivum tectorum), a flowering plant with a dense rosette of fleshy leaves clustered at the base of the stem from which offshoots arise
See hen and chickens in American Heritage Dictionary 4
(hĕnˌən-chĭkˈənz)
nounpl.hens-and-chick·ens(hĕnzˌ-)
Any of several plants having many runners or offshoots, especially the houseleek.