The plants , which grow singly, not in, have a that is more or less columnar in age, unribbed, but covered with tubercles arranged in a spiral. There are 30-40 radial spines and six to eight, blackish-brown central spines. The radial spines radiate outwards and so look like small suns (hence the plant’s specific name). The are a pale purple colour with golden-yellow throats.
Because this plant has a flatsystem, like mammillarias, it does best in a flat dish. It requires a mineral free-draining, but nourishing, with plenty of sand. Water freely during the growing period. In winter, the most suitable temperature is 5°-10°C (41°-50°F).