We can classify plants in
- grasses,
- bushes,
- and trees.
Grasses have a soft stem.
They are (usually) short, thin and flexible.
Bushes have a thick, hard stem.
They have low branches.
Trees have one thick, hard stem called a trunk.
They have high branches.
They are the tallest plants.
Trees can be deciduous or evergreen.
All about the trees
Source | Happy Learning English