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  1. Leaf - Wikipedia

    Leaves vary in shape, size, texture and color, depending on the species. The broad, flat leaves with complex venation of flowering plants are known as megaphylls and the species that bear …

  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 …

  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. 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 …

  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 …

  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. However, some …

  7. The Secret Life of Tree Leaves: Structure, Function & Uses

    Use this quick guide to answer common questions about tree leaves, conifer needles, composting, mulch, and edible or medicinal leaves. For more field tips, see our tree …

  8. 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. …

  9. LEAF Definition & Meaning - Merriam-Webster

    Dec 6, 2016 · The meaning of LEAF is a lateral outgrowth from a plant stem that is typically a flattened expanded variably shaped greenish organ, constitutes a unit of the foliage, and …

  10. Leaves - Biology Online Tutorial

    Leaves are covered with a thin layer of epidermal cells which permit light to the interior of the leaf, yet protect the cells from physical damage. In addition to photosynthesis, leaves are involved …