leaf margin
Leaf edges vary markedly, depending on the shape and depth of their indentations.
crenate 
Leaf edge with rounded teeth.
lobate 
Leaf edge indented with deep notches.
entire 
Leaf edge with no indentations.
ciliate 
Leaf edge surrounded by short thin hairs called cilia.
doubly dentate 
Leaf edged with teeth of different sizes, the main tooth often having smaller teeth.
dentate 
Leaf edged with pointy teeth of similar size.