Description:Densely pulvinate (Flora europeae); cespitose, usually forming mats (eflora N America)
Habitat: Rock outcrops and fellfields, meadows, open tundra, stream banks, gravelly beaches, roadsides; 0-2500 m
| Form of cushion | C | Hemispherical (dome shaped) cushion | 
| Compactness | 0_1 | Intermediate | 
| Variability | 0 | No variability | 
| Root system | P | Single pivotal root | 
| Woodiness | 0 | Herbaceaous | 
| Thorniness | 0 | No | 
| Succulence | 0 | No | 
| Flowers | 1 | Short peduncle |