Tree

In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only plants that are usable as lumber, or only plants above a specified height. Wider definitions include taller palms, tree ferns, bananas, and bamboos.

Extends: Trees, [Forest ecology](https://wikipedia.org.ai/Forest ecology), [Plant morphology](https://wikipedia.org.ai/Plant morphology), [Plant life-forms](https://wikipedia.org.ai/Plant life-forms), [Plants by habit](https://wikipedia.org.ai/Plants by habit)