Description:Cushion-forming perennial 2-5 cm high, rigidly herbaceous, often purplish; stems numerous, suberect, branching, with adventitious roots
Habitat:Perennial in wet heath and alpine herbfield on poorly drained sands, gravels and peat.
| Form of cushion | TC | Tufted cushion, densely caespitose |
| Compactness | 1 | Compact, hard (peat-accumulating) |
| Variability | 0 | No variability |
| Root system | A | Numerous adventious roots |
| Woodiness | 0 | Herbaceaous |
| Thorniness | 0 | No |
| Succulence | 0 | No |
| Flowers | 1 | Short peduncle |