Plants can be classified into three types:

  • 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