| Family | LINACEAE |
| Genus species | Linum atricalyx Juz. |
| Bibliography | FL. URSS [V.L.Komarov, ed.] 14: 719 (1949) |
| Native Range | Central Asia |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | leaves glaucous, the basal subimbricate, minute, oblong, obtuse, the upper lanceolate, acuminate, flat, flowers 3-8, sepals blackish green, petals 15-20mm |
| Size | 15-35cm |
| Color | deep blue |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 16-21°C cuttings in late summer |
| Synonyms | Linum altaicum ssp. atricalyx (Juz.) Svetlova |
| Territory | 3 Asia-Temperate 32 Middle Asia (KAZ Kazakhstan, KGZ Kirgizistan, TZK Tadzhikistan) |