Parodia maassii

The story

In Chinese-speaking botanical circles, this cactus has captured the imagination of growers under the names "魔神丸" and "魔神球," which translate to "magic god pill" and "magic god ball." These names wrap the plant in an aura of ancient mystery, casting this humble member of the Cactaceae family as a legendary, powerful artifact of the natural world.

Sources: Grangery, Wikidata