All tree leaves exhibit margins—the blade-like edges of the leaves—that are either serrated or smooth. Leaf margins can be finely classified based on at least a dozen unique characteristics.

This leaf structure is always a help with tree identification because of each tree species' leaf structure. On a simple leaf, the leaf blade is singly attached to a twig or twig stem.

Revise the structure of a leaf and how it has several adaptations for photosynthesis with this BBC Bitesize Biology KS3 guide.

The structure of a leaf typically consists of several important components: Blade: This is the broad, flat, and often thin part of the leaf that is primarily responsible for capturing sunlight and ...