Because a trip to the nursery wouldn't be complete with perusing the discount rack . . . and I decided I needed this one more than the neos.

The tag very helpfully says "D. pink mini," so I'm assuming it is a hybrid and determining its specific parentage might not be possible. A web search didn't provide anything that cleared that up.

I'm guessing that it's a hard cane dendrobium, but is there anything that can be determined beyond that?

At any rate, it's cute, looks in decent shape (the two single leaves are slightly shriveled; maybe they'll perk up over time), and I think it might be working on starting another "cane," too; that green bump looks bigger than the roots, and it's got an upward-pointing point to it: