What type of trees are found in the upper portion of the forest canopy and are taller than most others?

The trees that are found in the upper portion of the forest canopy and are taller than most others are known as overstory trees. These trees dominate the canopy layer, reaching high into the sky to capture sunlight for photosynthesis. They play a critical role in the forest ecosystem by contributing to the structure of the forest, creating habitat for various species, and influencing microclimates beneath them. They are usually established, mature trees that form the uppermost layer of the forest and can significantly impact the growth of other vegetation in the lower layers due to their height and density.

In contrast, co-dominant trees are typically of similar height to the tallest trees but do not overshadow them, while subdominant trees are shorter and often overshadowed by both co-dominant and overstory trees. Understory trees grow beneath the overstory and are usually adapted to lower light conditions. Each of these categories has its distinct role in the forest structure, but none reach the same height or sun exposure as overstory trees.