It forms small, stemless mats or rosettes growing up to 2 inches (5 cm) in diameter.
The thick, fleshy, triangular leaves range in color from glaucous gray-green and blue to deep red or purple.
The tips of the leaves feature distinct, flattened, warty bumps (tuber tubercles) that vary from white to reddish-brown.
It produces daisy-like yellow, orange, or occasionally salmon-pink flowers that bloom during the winter months.
