Do the leaves have widely spaced marginal teeth or finely toothed margins?
Widely spaced marginal teeth
The leaf has widely spaced marginal teeth; leaf is very narrow (1/4 to 3/8 inches wide); shrubby species; buds have a single bud scale or covering
OR
Finely toothed margins
or the leaf has finely toothed margins; leaf is narrow (3/8 to 3/4 inches wide); buds have a single bud scale or covering?