Wigginsia

The stems are flattened globular, measuring up to 15 cm in diameter, initially spiny and gradually becoming more woolly. In mid-summer, multiple glossy yellow flowers bloom around the densely woolly stem apex.

W. turbinata is a flat growing, partly underground cactus about 15 cm diameter at maturity. It starts out spiny then becomes more woolly. Spines yellowish, short. It will bear several glossy yellow flowers around the very woolly stem apex in mid summer.