low cushion-forming plant with rose to crimson-magenta flowers and leaf midribs that persist as spines when the leaves die; southwestern United States
a teleost fish with fins that are supported by sharp inflexible rays
having a spiny stem
having spiny leaves
having the back covered with spines
having a spiny border
genus of mainly American more-or-less succulent herbs
having or covered with protective barbs or quills or spines or thorns or setae etc.