A few Moroccan Mounds were around. I do love AI for searches these days:
The Moroccan Mound (Euphorbia resinifera) is a succulent that's native to Morocco. It's easy to grow, tolerates heat and drought, and is often used in landscaping.
Appearance:
Low-growing, mounding plant with bluish-green stems
Small brown or white spines along the stems
Small yellow flowers in late winter to early spring
Leafless, but tips and edges may turn reddish in cold weather
Growing conditions:
Prefers full sun to partial shade
Requires well-draining soil
Water when the soil is dry or during periods of high heat
Can tolerate temperatures as low as 20° F.