1. Deciduous: This describes trees that lose their leaves seasonally, typically in the fall or winter. Examples include oak, maple, and birch trees.

2. Evergreen: This refers to trees that keep their leaves year-round. Examples include pine, fir, and spruce trees.

3. Coniferous: This term describes trees that bear cones, usually with needle-like leaves. Most coniferous trees are also evergreen. Examples include pines, firs, and cedars.