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 "autumn foliage", [2][3] while the leaves, stem, flower, and …
Leaf | Definition, Parts, & Function | Britannica
Dec 21, 2024 · leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an …
Leaf - Definition, Function and Types | Biology Dictionary
Aug 19, 2017 · 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. Although photosynthesis typically only occurs on the upper surface of the leaf, it can occur on both sides in some plant species.
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 functions primarily in food manufacture by photosynthesis. How to use leaf in a sentence.
Leaf - Simple English Wikipedia, the free encyclopedia
A leaf is a green above-ground plant organ. Its main functions are photosynthesis and gas exchange. A leaf is flat so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells. Most leaves have stomata, which open and close. They regulate carbon dioxide, oxygen, and water vapour exchange with the atmosphere.
Leaves - The Huntington
Leaves are one of the three organs of a plant. The most important job of a leaf is to make food for the plant. Leaves are the main (but not only) organ responsible for turning sunlight into food. Leaves have different sizes, shapes, and textures, depending on what is …
Leaf: Definition, Characteristics, Types of Leaves, Videos ... - Toppr
What is a Leaf? The leaf is a green, flat, thin, expanded lateral appendage of the stem. This part is borne at a node and bears a bud in its axil. It is exogenous in origin and develops from the leaf primordium of shoot apex. The green colour of the leaf is due to the presence of the photosynthetic pigment – chlorophyll.
Parts of a Leaf With Their Structure and Functions - Science Facts
Feb 2, 2023 · A leaf is a plant organ that is flat, thin and usually green in color. It is mostly found above the ground and remains attached to the stem. The presence of pigment ‘chlorophyll’ makes the leaf green in color that helps to prepare food in plants through photosynthesis. Collectively, green leaves are called foliage.
Leaf: Definition, Parts and Types (With Diagram)| Botany
The leaf is a flattened, lateral outgrowth of the stem in the branch, developing from a node and having a bud in its axil. It is normally green in colour and manufactures food for the whole plant. The leaves take up water and carbon dioxide and convert them into carbohydrates in the presence of sunlight and chlorophyll.
Leaf: Definition, Characteristics and Functions (With Diagram)
Leaf is a green, dissimilar exogenous lateral flattened outgrowth which is borne on the node of a stem or its branch and is specialised to perform photosynthesis. Typically it is a thin expanded green structure which bears a bud in its axil. The green colour of the leaf is due to the presence of chlorophyll. Leaves are arranged in acropetal order.