Description:Plant forming deep cushions up to many cm. across; branches many, us. close, lfy throughout their length, which may reach 5 cm. or more. Adventitious rootsamongst old leaf-bases, binding lower parts of cushion into peat-forming mass. Lvs fleshy, closely s
Habitat:common in coastal areas, where it forms extensive mats in bog communities and grows as cushions on peat, rock and sand in the sea spray zone
| Form of cushion | C | Hemispherical (dome shaped) cushion |
| Compactness | 1 | Compact, hard (peat-accumulating) |
| Variability | 0 | No variability |
| Root system | P | Single pivotal root |
| Woodiness | 0 | Herbaceaous |
| Thorniness | 0 | No |
| Succulence | 0 | No |
| Flowers | 0 | Flowers sessil |