Description: spiny usually cushion-forming, sometimes with spreading to ascending stems and then like a shrublet. Leaves awl to bristle-like
Habitat: stony or sandy places, sometimes in shade at 1000-2800m
Form of cushion | C | Hemispherical (dome shaped) cushion |
Compactness | 0 | Hollow, with canopy gaps |
Variability | 0_1 | Intermediate |
Root system | P | Single pivotal root |
Woodiness | NA | NA |
Thorniness | 1 | Yes |
Succulence | 0 | No |
Flowers | 2 | Long peduncle |