That's P. agnata x gypsicola, if you wanna look it up, though this thread could have just as easily been titled A Tale of Two Pots.
This first pot was grown at the end of a four foot fluorescent tube and probably was often forgotten when it was watering time for the others.
Compare it to the one that was grown mid-tube and probably watered more often.
These mexi-pings are colorful, drought tolerant and tough enough to handle some neglect.
Although these were sent as bonus plants, they have shown that they are worthy of welcome into any mexi-ping collection.