Cerastium (Greek for horn, alluding to the shape of the pod). Caryophyllaceae. Mouse-ear Chick-Weed. Decumbent annuals or perennials, used in rockeries or for bedding and borders. | Cerastium (Greek for horn, alluding to the shape of the pod). Caryophyllaceae. Mouse-ear Chick-Weed. Decumbent annuals or perennials, used in rockeries or for bedding and borders. |