Description:densely spiny cushion-forming from a central rootstock, 10-100cm across and 1-10cm high
Habitat:in windswept deep stony sandfields at 1200-4300m
| Form of cushion | F | Low cushion |
| Compactness | 0 | Hollow, with canopy gaps |
| Variability | 0 | No variability |
| Root system | P | Single pivotal root |
| Woodiness | 1 | Woody at base |
| Thorniness | 1 | Yes |
| Succulence | 0 | No |
| Flowers | NA | NA |