Understanding Basic Tree Anatomy
Central leader - the main trunk that grows upright in the center of your tree
Scaffold Branch - A major limb of a tree that forms the trees framework
and canopy
Secondary Scaffold - a side branch that grows from a tree’s scaffold branch
Sucker - bushy clumps of young stems that sprout from the trunk of your tree
Trunk - The main wood axis or stem of a tree
Bud Union - the point where the rootstock and fruiting section of a tree are grafted together