Here is a plant of Pinguicula 'Enigma':
It was growing with two others in a 2-1/4 inch pot. They had forced each other over the edges of the pot. When I removed them to harvest leaves and to repot, I discovered that they had long since lost any connection of their root systems with the media, they had just uprooted themselves sometime earlier.
Oops, this one is somewhat out of focus. A photo of the underside of the plant:
Here is a photo of the leaves harvested for propagation:
And here is the plant ready for repotting: