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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 · Leaves are the primary sites of photosynthesis and manufacture food for plants. They are an integral part of the stem system and can be modified into a variety of other plant organs.

  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. 3.1 Leaves – The Science of Plants - Open Textbook Library

    Leaves are shoot structures that attach to stems and branches at nodes. Leaves are made up of cells that usually contain a high concentration of chloroplasts (cell organelles unique to plants) and are …

  5. 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.

  6. 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 …

  7. 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 …

  8. 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. However, some leaves may …

  9. Science of Leaves: Anatomy, Arrangement, & Adaptations

    Jul 12, 2023 · Leaves grow from the stem of a plant and are typically green in color, and this is due to a chemical known as chlorophyll. Leaves serve a multitude of vital functions for plants, including the …

  10. 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 …