Description:hard, dense hummocks of very prickly rosettes
Habitat:Rock crevices
| Form of cushion | C | Hemispherical (dome shaped) cushion |
| Compactness | 1 | Compact, hard (peat-accumulating) |
| Variability | 0 | No variability |
| Root system | NA | NA |
| Woodiness | 0 | Herbaceaous |
| Thorniness | 0 | No |
| Succulence | 0 | No |
| Flowers | 1 | Short peduncle |