Leaves are usually the primary (but not the only)photosynthetic structures in plants.

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Leaves contain chloroplasts, which are responsible for photosynthesis, making them the primary photosynthetic structures in most plants. However, in some plants, such as cacti, the stem may also carry out photosynthesis. Additionally, some plants have specialized structures called phyllodes that function like leaves for photosynthesis.

Leaves Are Usually the Primary (But Not the Only)photosynthetic Structures