Description:Densely hummock-forming perennial to 10cm or more across
Habitat:on stony slopes and ridges, screes and rock ledges
| Form of cushion | F | Low cushion |
| Compactness | 1 | Compact, hard (peat-accumulating) |
| Variability | 0 | No variability |
| Root system | P | Single pivotal root |
| Woodiness | NA | NA |
| Thorniness | 0 | No |
| Succulence | 0 | No |
| Flowers | 0 | Flowers sessil |