| Family | ASTERACEAE |
| Genus species | Psephellus troitzkyi Sosn. trib. Cardueae |
| Bibliography | Fl. Kavkaza [A.A.Grossheim] 4: 200 (1934) |
| Native Range | North Caucasus |
| Primary Biome | Temperate |
| Habitat | rocks |
| Description | leaves adaxially green and spinulose, abaxially grey tomentose, lower leaves long petiolate, lyrate, terminal segment triangular, the lateral reduced, capitula large |
| Size | 16-25cm |
| Color | purple |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, dark, moist, germ. 1 month, 16-21°C division in early spring and fall; cuttings in late summer |
| Synonyms | Centaurea troitzkyi (Sosn.) Sosn. |
| Territory | 3 Asia-Temperate 33 Caucasus (NCS North Caucasus) |