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  1. Leaf - Wikipedia

    A leaf (pl.: leaves) is a principal appendage of the stem of a vascular plant, [1] usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in …

  2. Leaf | Definition, Parts, & Function | Britannica

    Dec 2, 2025 · Leaf, any usually flattened green outgrowth from the stem of a vascular plant. Leaves are the primary sites of photosynthesis and manufacture food for plants. They are an integral part of the …

  3. Common Leaves on Trees and Plants - The Tree Center

    Learn about the different kinds of leaves found on conifers, flowering plants, grasses and more. Our guide features information on every type of leaf.

  4. Plant Leaves and Leaf Anatomy - ThoughtCo

    Oct 2, 2024 · Leaves and different parts of leaves can have various shapes and sizes. The basic components of leaves in flowering plants (angiosperms) include the blade, the petiole, and the stipules.

  5. The Function of Leaves and Their Role in Nature

    Aug 4, 2025 · Leaves are fundamental plant structures found across diverse landscapes. Beyond their aesthetic appeal, they perform fundamental processes that underpin life on Earth, acting as essential …

  6. Leaves – Biology - UH Pressbooks

    Leaves are the main sites for photosynthesis: the process by which plants synthesize food. Most leaves are usually green, due to the presence of chlorophyll in the leaf cells.

  7. I Didn't Know That!: Leave the Leaves - U.S. National Park Service

    Sep 19, 2025 · Look closer on your next park visit The same thing happens naturally across national parks. When you see a forest floor blanketed in leaves, remember, it’s habitat! That layer of leaves is …

  8. Leaves - Biology Online Tutorial

    Leaves are complex plant organs upon which life depends. We will look into all of these processes in more detail and see just how vital leaves are to sustaining plant and animal life.

  9. Different Types of Leaves: Functions and Venation Patterns

    Apr 19, 2025 · Learning about different types of leaves is important to see the many forms and functions of leaves on flowering plants. We can group leaves as simple or compound. Compound leaves have …

  10. Leaves | The Huntington

    The main function of leaves is to absorb light so plants can make food. Depending on their habitat, plants may have leaves of different sizes, shapes, textures, and colors.