It may be one of the Thai ones. Florida is a huge producer of Caladiums...they breed them here and introduce new ones every year. But those are mostly designed for landscape use, and most get replaced in people's gardens here on a yearly basis like annuals.
But the Thai caladiums are mean to be grown as centerpiece plants in pots and saved over year to year. Kind of like daffodils and tulips and stuff like that (which we cannot grow here in Florida...the summer is top hot, winter is too warm, and the bulbs rot unless you dig them. The caladiums will also rot). I have seen a few of the Thai caladiums and their leaves seem to be a bit thicker than regular caladiums. I have toyed with the idea of getting a few