The main Parts of a Tree are the roots, trunk, branches and twigs, leaves, buds, flowers and fruit. A tree's roots absorb water and nutrients from the soil, store sugar and anchor the tree upright in the ground. All trees have lateral roots that branch into smaller and smaller roots and usually extend horizontally well beyond the branch tips; large trees typically have roots extending 20-40 metres or more from the trunk. The vast majority of the root system is located in the upper 10–30 cm of so