Description:dense dome or hummock of hard, spiny, open rosettes
Habitat:Rock crevices
| Form of cushion | C_F | Intermediate beetween C & F types |
| Compactness | 1 | Compact, hard (peat-accumulating) |
| Variability | 0 | No variability |
| Root system | NA | NA |
| Woodiness | 0 | Herbaceaous |
| Thorniness | 1 | Yes |
| Succulence | 0 | No |
| Flowers | 1 | Short peduncle |