Gymnocalycium baldianum is a solitary flattened globular cacti from Argentina. It can flower when only 12 months old and barely an inch and a half across. Eventually it will reach a diameter of about three and a half inches. In spring flowers come in several flushes. Flowers can be red, pink, orange or white, but are most often a stunning scarlet. They are followed by green fruits.
     I have two of these in the garden and another potted. All have flowered repeatedly. Click below for more pictures.

First flowers	A later one close up	A potted one	Side view
Closeup view