Species of several genera in this family of succulent plants are grown especially in rock gardens, and some, such as Sempervivum tectorum L., hen-and-chickens, have been collected rarely where garden refuse is dumped or other places where “transplanted,” (Barry and Benzie Cos.) but it is hardly established. It has leaves flat and numerous in a basal rosette. See Mort et al. (2001) for generic relationships in the family.

1. Leaves entire, flat or terete to elliptic in cross-section; flowers white or yellow.


1. Leaves irregularly toothed, flat; flowers white to (usually) pink or purple.

2. Leaves mostly alternate, with smooth glabrous margins.


2. Leaves all opposite, with prominent papillose-ciliate margins.



MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. September 24, 2022.