Is a banana tree really a tree?
What exactly constitutes a tree?
A tree is defined by who you are. To most people, a tree is something
living longer than a year and has the general shape of a single thick
stem with leaves or branches with leaves. So a banana plant is a tree.
For specialists who work with plants, a tree is defined more
specifically. In addition to the general definition is the specific
requirement that there is growth in the diameter of the single thick
stem (technically called wood formation). By this definition, a banana
is not really a tree.
Assistant Professor of Horticulture
A banana plant is not a tree because it does not contain wood:
Anthony Brach Ph.D.
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Update: June 2012