Leaf - Wikipedia
A leaf (pl.: leaves) is a principal appendage of the stem of a vascular plant, [ 1 ] usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", [ 2 ][ 3 ] while the leaves, stem, …
Leaf | Definition, Parts, & Function | Britannica
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 stem system and can be modified into a variety of other plant organs.
Plant Leaves and Leaf Anatomy - ThoughtCo
2024年10月2日 · Leaves can be found in a variety of shapes and sizes. Most leaves are broad, flat and typically green in color. Some plants, such as conifers, have leaves that are shaped like needles or scales. Leaf anatomy and shape is adapted to best suit the plant's habitat and maximize photosynthesis.
Leaf - Definition, Function and Types | Biology Dictionary
2017年8月19日 · The term leaf refers to the organ that forms the main lateral appendage on the stem of vascular plants. In general, leaves are thin, flat organs responsible for the photosynthesis of the plant.
30.10: Leaves - Leaf Structure, Function, and Adaptation
2023年10月31日 · Leaves have many structures that prevent water loss, transport compounds, aid in gas exchange, and protect the plant as a whole.
Science of Leaves: Anatomy, Arrangement, & Adaptations
2023年7月12日 · Explore the intricate world of plant leaves as we delve into their purpose, structure, types, arrangement, and evolutionary adaptations.
30.4: Leaves - Biology LibreTexts
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 have different colors, caused by other plant pigments that mask the green chlorophyll.
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