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Leaves


Leaves are the primary site of photosynthesis in plants. The structure of a leaf, shapes and sizes of leaves, leaf textures, and the arrangement of leaves on a plant, have all evolved to adapt to the environment the plant lives in and enable the leaves to absorb the greatest amount of light.

Alternate
a single leaf at each node
Opposite
two leaves opposite each other at each node
Whorled
three or more at each node


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