I bought some of that in a petco tube about a month ago. It just said Wysteria. Im still sorta learning when it comes to specific plants, but I knew it didnt look like the pictures I'd seen. Thought maybe it would change after being submerged for a while. Then again I wasnt even sure it was a true aquatic. But anyway I needed some stems for a newish 75G so I kopped a couple tubes.
So far it's growing pretty good. The new leaves are less round and more serrated. Im also curious if anyone knows exactly what it is..