Are the leaves finely toothed or coarsely toothed?
Finely-toothed leaves
The leaf is 1-1/2 to 3 inches long; leaf is finely toothed; buds are incurved against the twig
OR
Coarsely-toothed leaves
the leaf is 2 to 5 inches long; leaf is coarsely toothed; buds stick out from the twig and are dusty-gray colored?