Elms can look a little like hazels in their size and leaves. The difference that says it an Elm is the leaves are asymmetrical at the bottom and softer and hairier than a hazel. The wych elm has the hairiest twigs out the pair of them and most likely to produce fruit. It is also the most likely to reach a mature size. The tip of the leaf on wych elm has more of point than the other elms. The wych elm when mature has long lower branches which droop down where as the english elm forms its very distinctive handle shape.