Parts of plants like stems, roots, and leaves serve functions such as structural support, energy storage, and photosynthesis, and are not primarily intended for consumption by the plant.

“for most of the plant right because at a certain point most plants then require their seeds or their offs their progeny to get deposited somewhere and transported and then at that place be able to create new life so things like stems are there to hold the plant up roots are there in many cases as a storage mechanism for for energy leaves are there to help through photosynthesis”