Mammillaria zephyranthoides

Mammillaria zephyranthoides is plant from mountains of central Mexico. It has large taproot and flat-depressed stem. In the wild plants are growing flat with the  ground, and in culture are forming flat disks.
Mammillaria zephyranthoides is an nice plant, with pretty and again large for Mammillaria flowers. It is easy to grow plant, blooming reliably after reaching the proper size. Larger and deeper pot will help to accommodate it's thick roots