| Family | BRASSICACEAE |
| Genus species | Clastopus purpureus Bunge |
| Bibliography | Fl. Orient. 1: 261 (1867) |
| Native Range | w. Iran |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Description | leaves linear, canaliculate, obtuse, grey tomentose, flowers in compact raceme, siliques ovoid, ventricose, stellate-pubescent |
| Size | 3-10cm |
| Color | purple |
| Bloom | spring |
| Ca | |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring cuttings in late summer |
| Synonyms | Alyssum clastopus Kuntze Clastopus bicolor Stapf Straussiella bicolor (Stapf) Hausskn. Straussiella iranica Hausskn. Straussiella purpurea (Bunge) Hausskn. |
| Territory | 3 Asia-Temperate 34 Western Asia (IRN Iran) |