
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 them (the …
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.
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 …
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.
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.
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 …
10.2: Leaves - Biology LibreTexts
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 …
LEAF Definition & Meaning - Merriam-Webster
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 functions primarily in food …
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 …
The Joy and Science of Fall Colors - US Forest Service
Photo: Adobe Stock Why Leaves Light Up the Landscape Every autumn, forests across the country burst into flames—not with fire, but with color. Brilliant reds, glowing golds, and warm ambers sweep …