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Leaf

Last updated: February 24, 2019

What Does Leaf Mean?

A leaf is a usually green, flat lateral structure that protrudes from a plant's stem to collect sunlight for photosynthesis, and the site where transpiration takes place.


Leaves are an absolutely essential part of any vascular plant for the processes of transpiration and photosynthesis.

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Maximum Yield Explains Leaf

Leaves have two main classifications: simple and compound. A simple leaf is a single, undivided leaflet while a compound leaf is comprised of multiple leaflets.

A leaf can also be petiolated or sessile in structure. A petiolated leaf is one that has a short stem to extend the leaf outward. A sessile leaf attaches directly to the stem without a petiole or stem.


All of a plant's major life functions occur as a result of leaves. A plant uses them to convert sunlight into energy during the process of photosynthesis and to discard excess moisture from the plant during transpiration, which is a process where moisture is released back into the atmosphere through evaporation from the leaf's surface.

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Synonyms

Leaves

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Plant GrowthBotanyPlant Science

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