Titanopsis calcarea | Concrete Leaf

Titanopsis calcarea is a mat-forming succulent that forms rosettes of usually grey or blue-green leaves densely covered at the apex with rough, whitish, creamy-grey, ocher, red, or bluish tubercles. The rosettes can grow up to 3 inches (7.5 cm) in diameter. The leaves are thick, fleshy, with a truncated tip, and can measure up to 1 inch (2.5 cm) long.

The flowers are yellow to orange and can reach a diameter of 0.8 inches (2 cm).

Source: World of Succulents