| Family | CRASSULACEAE |
| Genus species | Petrosedum pruinatum (Link ex Brot.) Grulich |
| Bibliography | Preslia 56: 41 (1984) |
| Native Range | nc. Portugal to nw. Spain |
| Primary Biome | Temperate |
| Habitat | shady rocks |
| Altitude | 100-1000m |
| Description | leaves in compact conical rosette, pruinose, blue-green, cylindrical, linear, white calcarate, inflorescence ramose, flowers few, petals 5-8, ca. 1cm long |
| Size | 10-25cm |
| Color | yellow |
| Bloom | spring |
| Ca | |
| Type | succulent subshrub |
| Cultivation | shady, humous, rock crevices alpine house, humous, gravelly soil, shade |
| Propagation | seed in winter, uncovered, germ. 1-3 months, 13-18°C cuttings in summer |
| Synonyms | Sedum dodecandrum Pourr. ex Willk. & Lange Sedum forsteri Haw. Sedum pruinatum Link ex Brot. Sedum reflexum Cutanda Sedum trevericum Rosbach Sempervivum pruinatum (Link ex Brot.) Spreng. |
| Territory | 1 Europe 12 Southwestern Europe (POR Portugal, SPA Spain) |