Hi, I'm new to the forum so if my pictures don't post please anyone help me do this. I received this plant today and was told it was a water lilly but I searched the internet and could not find a water lilly that looked like this.
It's definitely not any water lily. If it occurred here, I'd assume it was a cattail, species Typha... although I don't know what similar-looking things may occur where you are.
I did some more research and I think it might be an Iris. The lady I got it from had another one in her pond so I searched water plants and found the Japanese Iris. But I'm still not sure.