| petrocoptis | (n) perennial tussock-forming rock plants; of Pyrenees and mountains of northern Spain; similar to and sometimes placed in genus Lychnis, Syn. genus Petrocoptis |
| Petrocoptis | prop. n. A genus of perennial tussock-forming rock plants; native to the Pyrenees and mountains of Northern Spain; it is similar to and sometimes placed in the genus |