| Family | ASTERACEAE |
| Genus species | Onopordum acaulon L. trib. Cardueae |
| Bibliography | Sp. Pl. 2: 1159 (1763) |
| Native Range | w. Medit. |
| Primary Biome | Subtropical |
| Habitat | dry, stony grassland |
| Altitude | 1200-3000m |
| Description | acaulescent, leaves in basal rosette, oblong, pinnatifid, segments spinose-dentate, spines white, capitula few in the midst of rosette, producing dense cluster |
| Size | 3-10cm |
| Color | white, rose |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 13-18°C root cuttings in late winter |
| Synonyms | Onopordum acaule Willd. Onopordum acaulon var. genuinum Rouy Onopordum acaulon f. monocephala Willk. Onopordum acaulon var. pyrenaicum (DC.) Rouy Onopordum acaulon ssp. uniflorum (Cav.) Franco Onopordum acaulon f. uniflorum (Cav.) Rouy Onopordum acaulon var. uniflorum (Cav.) Pau Onopordum pyrenaicum DC. Onopordum uniflorum Cav. |
| Territory | 1 Europe 12 Southwestern Europe (FRA France, SPA Spain) 2 Africa 20 Northern Africa (ALG Algeria, MOR Morocco, TUN Tunisia) |