I propagate all of my AV leaves in water. Have a special container that hangs in the kitchen window-facing west. Some leaves produce tiny leaves early in the rooting process and some don't. When I get a good sized group of roots I pot the leaf, with or without the little leaves. I think the ones with the tiny leaves progress a bit faster, but I don't remember not having a leaf develop a new plant. I have been known to get as many as three plants from one leaf. When it is well settled in its pot, and growing, I cut the leaf stem off near the surface and put it back in the water. Bill