What is the meaning of plant leaf?
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What is the meaning of plant leaf?
A leaf (plural leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in “autumn foliage”, while the leaves, stem, flower, and fruit collectively form the shoot system.
What are 3 parts of a leaf?
There are three main parts of a leaf – Leaf base, leaf lamina, and petiole. There are two different types of leaves – simples leaves and compound leaves.
What are the 4 parts of a leaf?
Leaf
- petiole: It connects leaf to stem or branch. It is also known as leaf stalk.
- midrib – It is the main vein which transfers water and minerals from stem to different parts of leaves.
- lamina or blade is the broad flat part of the leave.
- stipules are small leaf-like growths at the base of the leaf stalk.
What is the meaning of leaf leaves?
one of the flat, usually green parts of a plant that are joined at one end to the stem or branch: a palm leaf. autumn leaves.
What is parts of a leaf?
Apex: tip of the leaf • Margin: edge of the leaf • Veins: carry food/water throughout leaf; act as a structure support • Midrib: thick, large single vein along the midline of the leaf • Base: bottom of the leaf • Petiole: the stalk that joins a leaf to the stem; leafstalk • Stipule: the small, leaf-like appendage to a …
What is the main component of leaves?
Leaves have two main parts: The leaf blade and the Stalk or the petiole. The leaf blade: It is also called the lamina. It’s generally broad and flat. It is in this layer that photosynthesis occurs.
What are parts of a leaf?
What are the main structures of a leaf?
You’ve got the midrib, and the veins, and the edge, and the leaf stem, which is called the petiole. Different plants from different parts of the world have different adaptations to help them conserve water.
Do leaves have two meanings?
The definition of leaves are parts of a plant or tree attached to the branches or stems. An example of leaves are what fall from the tree in autumn. Leaves is defined as exits. An example of leaves used as a verb is in the sentence, “He leaves the building,” which means that he exits the building.
How do you explain a leaf to a child?
Most leaves have a broad, flat part called a blade. Usually, a stalk called a petiole attaches the blade to the plant’s stem. A leaf that has only one blade is called a simple leaf. A compound leaf has two or more blades attached to the petiole.
Why do plants have leaves?
Leaves are nature’s food factories. Plants, including trees, take water from the ground through their roots. They also take in a gas called carbon dioxide from the air through tiny holes in their leaves, which are called ‘stomata’.
What is the base of a leaf?
The leaf base is the slightly expanded area where the leaf attaches to the stem. The paired stipules, when present, are located on each side of the leaf base and may resemble scales, spines, glands,…
What are the characteristics of leaves?
Characteristics of a Leaf
- The leaf is a lateral dissimilar appendage of the stem.
- A leaf is always borne at the node of the stem.
- Generally, there is always an axillary bud in the axil of a leaf.
- It is exogenous in origin and develops from the swollen leaf primordium of the growing apex.
- The growth of leaf is limited.
What are main parts of leaf?
What is the parts of a plant?
Plants typically have six basic parts: roots, stems, leaves, flowers, fruits, and seeds.