| Family | EUPHORBIACEAE |
| Genus species | Euphorbia petrophila C.A.Mey. |
| Bibliography | Beitr. Fl. Russl.: 9 (1850) |
| Native Range | Ukraine to Syria |
| Primary Biome | Temperate |
| Habitat | rocks |
| Description | glabrous, grey-green, stem leaves thick, linear-spathulate or oblong, obtuse, 1-2cm, rays of umbel 3-6, involucral bracts orbiculate-reniform |
| Size | 10-15cm |
| Color | yellow |
| Bloom | summer |
| Ca | + |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in winter, germ. 1-3 months, 18-21°C cuttings in late spring and late summer |
| Synonyms | Euphorbia colchica (Litv.) Geltman Euphorbia cretophila Klokov Euphorbia petrophila var. colchica Litv. Euphorbia subhastifolia Klokov Galarhoeus petrophilus (C.A.Mey.) Prokh. Tithymalus petrophilus (C.A.Mey.) Soják |
| Territory | 1 Europe 14 Eastern Europe (KRY Krym, UKR Ukraine) 3 Asia-Temperate 33 Caucasus (NCS North Caucasus, TCS Transcaucasus) 34 Western Asia (EAI East Aegean Is., LBS Lebanon-Syria, TUR Turkey) |