Tephrocactus Molinensis - originally from Argentina - has yellow-brown areoles with white felt, growing randomly on the greener stem; "dirty" white flowering; from own succulent collection; planted/grown in self-mixed permeable organic substrate (repotting only desired in 1-2years), not overfertilised therefore top healthy and robust (organic quality before quantity!), slow growing / with rest in winter, not hardy, for a sunny location; avoid waterlogging; enjoy your new Tephrocactus Molinensis!