It features a thick, central, underground or partially exposed stem (caudex) up to 3 inches (8 cm) wide. The top of this central hub is flattened or slightly depressed.
Multiple rows of cylindrical, tapered, spineless branches erupt from the central cushion. These branches are covered in small, bumpy tubercles.
It produces tiny, sweet-scented, bright yellow flowers (cyathia) clustered exclusively on the center of the crown during spring and summer.
Thrives in bright, indirect sunlight or filtered morning sun. Intense, direct afternoon sun can bleach or scorch the arms.
