| Family | CARYOPHYLLACEAE |
| Genus species | Petrorhagia macra (Boiss. & Hausskn.) P.W.Ball & Heywood |
| Bibliography | Bull. Brit. Mus. (Nat. Hist.), Bot. 3: 158 (1964) |
| Native Range | nw. Iran to ne. Iraq |
| Primary Biome | Temperate |
| Habitat | rocks |
| Altitude | 1500-1900m |
| Description | stems erect, ramose, basally glandular- strigose, apically glabrous, leaves minute, the basal linear-oblong, the upper triangular-lanceolate, obtuse, flowers 2-4, pedicellate |
| Size | 25-30cm |
| Color | white |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
| Synonyms | Tunica gracilis B.S.Williams Tunica macra Boiss. & Hausskn. |
| Territory | 3 Asia-Temperate 34 Western Asia (IRN Iran, IRQ Iraq) |