Terms describing the margin of theleaf The term entire refers to leaves that areneither toothed, lobed, or compound, i.e. simple with smoothmargins. Margins with more or less wavy or sinuousstructure in the plane of the leaf. Margins wavy orundulating out of the plane of the leaf. Margins moreor less toothed..
Regarding this, what is the function of margin in leaf?
Glands are small, protruding bumps on the leafmargin that are typically different in color from thesurrounding lamina tissue. Often they occur at the apices of teethor lobes or on leaf petioles. Use of a hand magnifying lenshelps in observing the small glands of some species. The apex isthe tip of the leaf blade.
Also, what is the blade of a leaf? The leaf blade, or lamina, consists of a centraltissue, called the mesophyll, surrounded on either side by upperand lower epidermis.
Simply so, where is the margin of a leaf located?
Structure of a Typical Leaf Leaves also have stipules, small greenappendages usually found at the base of the petiole. Mostleaves have a midrib, which travels the length of theleaf and branches to each side to produce veins of vasculartissue. The edge of the leaf is called themargin.
What is the midrib of a leaf?
midrib The central, thick, linear structure thatruns along the length of a plant thallus or lamina. It occurs intrue leaves as a vein running from the leaf base to the apexand in the leaf-like structures of mosses and seaweeds. Itprovides support and is a translocative vessel."midrib."
Related Question Answers
What are the 3 main functions of a leaf?
The leaves perform three main functionssuch as manufacture of food, interchange of gases between theatmosphere and the plant body and evaporation ofwater.What is leaf and its function?
A leaf is an above-ground plant organ and it isgreen. Its main functions are photosynthesis and gasexchange. A leaf is often flat, so it absorbs themost light, and thin, so that the sunlight can get tothe chloroplasts in the cells. Most leaveshave stomata, which open and close.What are the functions of stem?
The primary functions of the stem are tosupport the leaves; to conduct water and minerals to the leaves,where they can be converted into usable products by photosynthesis;and to transport these products from the leaves to other parts ofthe plant, including the roots.What are leaf bases?
The leaf base is the lowest part of a leaflamina that is near the petiole. Leaves bases vary greatlyfrom plant to plant and are useful in classification andidentification. However, when the leaf shows asymmetry atthe base this is known as an oblique leafbase.Why leaf is called kitchen of plant?
A leaf is actually called 'thekitchen of the plant'. This is because they are themain organ responsible for photosynthesis, through which theplant produces its energy a.k.a. it's food. They obtaintheir green color due to the presence of chlorophyll.What are the characteristics of a leaf?
Typically, a leaf consists of a broad expandedblade (the lamina), attached to the plant stem by a stalklikepetiole. Leaves are, however, quite diverse in size, shape,and various other characteristics, including the nature ofthe blade margin and the type of venation (arrangement ofveins).Why some leaves are not green?
Green leaves are so because chlorophyll,the key compound in photosynthesis, absorbs all but thegreen light of the spectrum, which is reflected and seen byus as a green leaf. So then why are someleaves purple?Purple leaves are usually caused by apigment called anthocyanin.What are the parts of a Leaves?
Most leaves have two main parts: (1) theblade and (2) the petiole, or leafstalk. The leaves of somekinds of plants also have a third part, called the stipules. TheBlade, or lamina, is the broad, flat part of the leaf.Photosynthesis occurs in the blade, which has many greenfood-making cells.How many leaf shapes are there?
There are four major classifications you need toknow and into which all others will fit: Entire Leaf: Themargin is even and smooth around the entire leaf edge.Toothed or Serrated Leaf: The margin has a series oftoothlike pointed teeth around the entire leafedge.What are the 3 types of leaves?
Alternate Leaf Arrangement There are three basic types of leafarrangements found in trees and shrubs: alternate, opposite, andwhorled.Are the leaf margins entire?
Terms describing the margin of theleaf Margins without teeth or serrations. The termentire refers to leaves that are neither toothed,lobed, or compound, i.e. simple with smooth margins.Margins wavy or undulating out of the plane of theleaf.What is the petiole of a leaf?
In botany, the petiole (/ˈpiːtio?l/) isthe stalk that attaches the leaf blade to the stem.Outgrowths appearing on each side of the petiole in somespecies are called stipules. Leaves lacking a petiole arecalled sessile or epetiolate. What is the function of petiole in a leaf?
Definition of a Petiole If you've eaten a celery stalk, you've eaten apetiole, the part of some plants that connects the blade ofa leaf to its stem. In terms of their function,petioles play an important part inphotosynthesis.What is simple leaf?
A simple leaf is a single leaf that isnever divided into smaller leaflet units. It is always attached toa twig by its stem or the petiole. The margins, or edges, of thesimple leaf can be smooth, jagged, lobed, orparted.What is parallel Venation?
Parallel Venation describes a condition in leaveswhen all the veins of a leaf are parallel to each other. Insuch leaves, the veins usually run parallel to one anotherfrom the base of the leaf to the tip of the leaf.What is reticulate venation?
Reticulate venation-veins are interconnected andform a web like network. Parrallel venation-A pattern in theveins of a leaf where the secondary veins run parallel to eachother off of a central, perpendicular primary vein.What is stomata in plants?
In botany, a stoma (also stomate; plural stomata)is a tiny opening or pore that is used for gas exchange. They aremostly found on the under-surface of plant leaves. Airenters the plant through these openings. The carbon dioxideis used in photosynthesis. Some of the oxygen produced is used inrespiration.What is the apex of a leaf?
The outer end or apex of a leaf lamina that isopposite the petiole. Leaves apexes vary greatly from plantto plant and are useful in classification and identification. Termsdealing whit the shape of the base of a leaf : Acuminate:Sharply pointed. Acute: Becoming Gradually Pointed. 
