Leaves either grow on opposite or alternate
sides of a twig. If they are growing on opposite sides of a twig, there is a
very good chance that the tree is a maple, ash or dogwood, though there are some
other possibilities. Continue to Leaf
Alternate leaves of serviceberry and white poplar.
Opposite leaves of a blackhaw and buds of a black ash.
Buds usually grow where the leaf meets the twig, so they will be on opposite or alternate sides of the twig too. As these vegetative buds grow out, we start to see opposite or alternate branching patterns. Continue to Leaf Shape >>>