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of a leaf. : having veins arranged nearly parallel to one another – see venation
illustration – compare net-veined.
What does Pinnately veined mean?
Definition. A type of venation pattern in which the secondary veins run parallel to each other from the midrib toward the margin.
What are the type of plants with parallel-veined leaves?
Examples of plants with parallel veins are sedges, cattails, lilies, irises, and grasses (e.g., corn, rice, wheat, turf grasses).
What are straight veined leaves?
Monocots have parallel venation in which the veins run in straight lines across the length of the leaf without converging. In dicots, however, the veins of the leaf have a net-like appearance, forming a pattern known as reticulate venation.
Are bay leaves parallel?
E.g., bay leaf (Cinnamomum), Indian plum (Zizyphus). (2) Parallel Venation: In this type of venation, the veins and veinlets run parallel to each other.
Parallel Venation and Reticulate Venation |Quick differences and comparison|
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What is the difference between reticulate and parallel venation?
Ans. Parallel venation is when the formation of veins are parallel to each other through the leaf. … Reticulate venation refers to the arrangement of veins in a leaf where they form a web-like structure. Smaller and more delicate veins emerge from the midrib and spread in the entire leaf.
What types of venation does the leaf has?
There are two types of venation, reticulate and parallel venation.
What are the 4 functions of a leaf?
- Photosynthesis.
- Transpiration.
- Guttation.
- Storage.
- Defense.
What is petiole function?
A petiole attaches the leaf to the stem and contains vascular tissue that provides a connection from the stem to permit sap to enter the leaf and the products of photosynthesis (carbohydrates) to be transported from the leaf to the rest of the plant.
What are the two types of leaves?
There are two different types of leaves – simple and compound leaves. Simple leaves are lobed or divided but do not form distinct leaflets. Whereas, in a compound leaf the leaves are divided into distinct leaflets and each leaflet has a small petiole.
What are the 4 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 are 2 tissues found within a vein?
Two main tissues found in the vein of a leaf are called xylem and phloem.
What are the main parts of a leaf?
- The leaf blade: It is also called the lamina. It’s generally broad and flat. …
- The petiole: It is the stalk-like structure which connects the leaf blade to the stem. The petiole has tiny tubes, that connect the veins on the leaf blade to the stem.
What does Pinnately mean?
: resembling a feather especially in having similar parts arranged on opposite sides of an axis like the barbs on the rachis of a feather a pinnate leaf – see leaf illustration.
What is the difference between pinnate and palmate leaves?
The key difference between pinnate and palmate is that the pinnate is the venation pattern in which one main vein extends from the base to the top of the leaf and smaller veins arise from the main vein whereas the palmate is the venation pattern in which several main veins radiate from one point where petiole and leaf …
What does leaflets mean in English?
a piece of paper that gives you information or advertises something: Demonstrators handed out leaflets to passers-by.
What is the difference between a petiole and a node?
Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode. The stalk that extends from the stem to the base of the leaf is the petiole. … The petiole is the stalk connecting the leaf to the stem.
What is called petiole?
The petiole is a stalk that attaches a leaf to the plant stem. … In plants with compound leaves, the leaflets are attached to a continuation of the petiole called the rachis. Each leaflet may be attached to the rachis by a short stalk called the petiolule.
How many types of petiole are there?
5 Main Types of Petioles Found in Plants | Botany.
What are 3 functions of a leaf?
The leaves perform three main functions such as manufacture of food, interchange of gases between the atmosphere and the plant body and evaporation of water.
What are the main functions of leaves?
The two main functions performed by the leaf are photosynthesis and transpiration. Photosynthesis is the process by which green plants make their food from carbon dioxide and water in the presence of sunlight.
What are the 7 parts of a leaf?
- Apex.
- Midvein (Primary vein)
- Secondary vein.
- Lamina.
- Leaf margin.
- Petiole.
- Bud.
- Stem.
What type of venation does the leaf has Class 6?
Wheat, tulsi, maize, grass, coriander (dhania), china rose. Answer. Leaves of tulsi, coriander and china rose have reticulate venation. 6.
What is the most important plant organ?
Roots are important organs in all vascular plants. Most vascular plants have two types of roots: primary roots that grow downward and secondary roots that branch out to the side. Together, all the roots of a plant make up a root system.
What is the leaf structure?
All leaves have the same basic structure – a midrib, an edge, veins and a petiole. The main function of a leaf is to carry out photosynthesis, which provides the plant with the food it needs to survive. Plants provide food for all life on the planet.