| Family | ASTERACEAE |
| Genus species | Psephellus troitzkii Sosn. trib. Cardueae |
| Synonyms | Centaurea troitzkii (Sosn.) Sosn. |
| 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 | tuft |
| Cultivation | sunny, dry, 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 |
| Territory |
Asia-Temperate
Caucasus (North Caucasus) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | ASTERACEAE
|