Please let me be the first to say, I am not one of the banana experts, but I will give it a shot. So backup will be needed here for sure!
I think your green leaf is a Basjoo and the red mottled leaf is Zebrina Rojo. The best way to tell for sure is after they flower. I have both these types and have noticed the new leaves on my Basjoo has a pinkish peach rib when it first unfurls and changes to green. My red comes out with beautiful splashes of maroon, but fades as the leaves get older. Hope this has helped some. ~JaNan