Why are some plants called trees? It depends on whom you ask!
Try to identify which plants are trees, according to the classic definition, or according to the new definition proposed by Francis Hallé, a renowned French botanist.
Classic
definition
definition
Hallé's
definition
definition
Not a tree
Each question is accompanied by the name of a plant and a picture of it. Use this diagram to indicate whether the plant is a tree according to the classic definition, that of Francis Hallé, or whether the plant is simply not a tree at all.
Consult the definitions.