| Family | CARYOPHYLLACEAE |
| Genus species | Petrorhagia cyrenaica (Durand & Barratte) P.W.Ball & Heyw. |
| Bibliography | Bull. Brit. Mus. (Nat. Hist.). Bot. 3: 158 (1964) |
| Native Range | ne. Libya |
| Primary Biome | Subtropical |
| Habitat | stony grassland |
| Description | stems at base glabrous, glaucous, leaves to 15mm, linear to setaceous, heads 1-3-flowered, outer bracts numerous, ovate, white membranous, petals 5-8mm, linear-lanceolate |
| Size | 5-30cm |
| Color | white |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C division in early spring; cuttings in late summer |
| Synonyms | Tunica thessala var. cyrenaica Durand & Barratte |
| Territory | 2 Africa 20 Northern Africa (LBY Libya) |