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petiole of leaf

CreationWiki - Recent changes [en] Porch,349) The midrib of a fern leaf is called petiole, and the leaflet, a blade. The word petiole comes from the Latin word petiolus, which literally translates into "little foot." A peculiarity of the foliage is the apparent division of the petiole into three main ribs, instead of a single midrib. Sometimes leaf base shows different variations as follows : (a) Pulvinate leaf base : In members of leguminosae the leaf is swollen. Leaves need to support their own mass and align themselves in such a way as to optimize their exposure to the sun, generally more or less horizontally. Lamina. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Providing support to the leaf and keeps it erect; It is called sheathing leaf base. Used especially to refer to the metasomal segment of Hymenoptera such as wasps. A petiole sample should consist of 25 or more sub-samples taken at random. Parts of a Leaf. The Dictionary.com Word Of The Year For 2020 Is …. Also Refer: Morphology, Types and Modification Of Leaves. The American Heritage® Stedman's Medical Dictionary The swollen leaf base is known as pulvinus. Another word for petiole. Suchswollen leaf bases are called pulvinate leaf bases as seen in mango leaves. There may or may not be normal pinnate leaves at the tip of the … Answers: Petiole is the stalk of a leaf that attaches the blade to the stem. petiole 1. A typical leaf shows three main parts: 1) petiole, 2) leaf base, and 3) leaf blade or lamina, each performing specific functions. In some cases, leaves are attached to the stem without a petiole, so we call … In monocots the leaf base is very broad and flat and it clasps a part of the node of the stem as in maize in banana. Petiole definition, the slender stalk by which a leaf is attached to the stem; leafstalk. It is known as pulvinus eg. Leaf Base: This is the part where a leaf attaches to the stem. In botany, the petiole is the stalk that attaches the leaf blade to the stem. Petiole. The Times Today's News. The petiole is a stalk that connects the blade with the leaf base. Sometimes the leaf blad surrounds the stem, giving the impression that the shoot grows through the leaf. Leaf base is often indistinguishable from the petiole. In a petiolate leaf, the blade of the leaf has a petiole, also known as a leaf stalk. (entomology) A narrow or constricted segment of the body of an insect. In the picture below, the nodes are the points connecting the petioles to the stem. The main function of the petiole is to conduct sucrose produced by the leaf by photosynthesis to the main stem and supply water and minerals to the leaf as required for photosynthesis. Copyright © 2011. That was easy. Petiole 3. A. Transpiration B. It arises at a node. Find more ways to say petiole, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Leaf having petiole is called petiolate. In some Acacia species, such as the Koa Tree , the petioles are expanded or broadened and function like leaf blades; these are called phyllodes. If a sample […] See more. (entomology) The stalk at the base of the nest of the paper wasp. The reason for the stem structure of the leaf tumor lies in the fact that the tumor-strand infecting this leaf-trace is an outgrowth from a primary tumor on the stem. We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Along with leaf base, lamina and petiole, together form the main parts of a leaf. 2. Some leaves have a petiole (leaf stem). 1 : a slender stem that supports the blade of a foliage leaf. The petiole is the stem that attaches the leaf blade to the main stem. We call the leaves that are connected to the stem through a simple petiole petiolates. Also Refer: Morphology, Types and Modification Of Leaves The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. It acts as a leaf cushion. A stem is the part of the plant that serves as the main source of support and produces nodes and roots, and that’s not what we observe in petioles. Recently Uploaded Slideshows. Examples of how to use “petiole” in a sentence from the Cambridge Dictionary Labs Use the table below as a guide for taking samples: A leaf or blade sample should consist of 15 or more sub-samples taken at random throughout the area being sampled. It is the stalk that connects a leaf to the stem of the plant, it is made of complex conducting tissues called vascular tissues. (Zoology) zoology a slender stalk or stem, such as the connection between the thorax and abdomen of ants Porch,349) The midrib of a fern leaf is called petiole, and the leaflet, a blade. As nouns the difference between leaf and petiole is that leaf is the usually green and flat organ that represents the most prominent feature of most vegetative plants while petiole is (botany) the stalk of a leaf, attaching the blade to the stem. (A petiole is a leaf-stalk joining the leaf to the plant stem). (09 Oct 1997) Lexicographical Neighbors of Petiole. The petiole in different species varies from short to long and from stout to slender. It protects the young axillary bud. Petiole: Petiole is the long, thin, stalk that links the leaf blade to the stem. Do you know what they mean? 2.1. Overall leaves are relatively flimsy with regard to other pl… (botany) The stalk of a leaf, attaching the blade to the stem. What Is “Stochastic Terrorism,” And Why Is It Trending? The leaf consists of three parts namely, leaf base (usually provided with a pair of stipules), petiole and leaf blade or lamina. Other … “Affect” vs. “Effect”: Use The Correct Word Every Time. (Botany) the stalk of any of the leaflets making up a compound leaf [C19: from New Latin petiolūlus, diminutive of Latin petiolus; see petiole] Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 the slender stalk by which a leaf is attached to the stem; leafstalk. After attaching the petiole to the recording lever, indirect stimulus is applied, generally speaking, at a distance of 15 mm. In plants like paddy, wheat, and other monocotyledons, this leaf base is wide and masks the stem. The petiole is the long, thin, stalk that links the leaf blade to the stem. Definition of Petiole. On a simple leaf it's easy and straightforward, think of it as the small “stem” where the “leaf” is on the end. (i) Leaf base (Hypopodium) : Leaf base is the lower most part of the leaf meant for attachment. Synonym: pedicel 3. So, the correct answer is ‘Petiole’ Q2. Measure individual leaf area, get total leaf area, save data and see comparisons. Petiole has three main features: (1) Accessible Anywhere Measure leaf area at your lab or in a field. Parts of a Leaf Diagram. It is termed sessile if the petiole is absent. The petiole of waterlily (Nymphaea stellata of the family Nymphaeaceae) are characterised by large air chambers, branched trichosclerides or internal hairs with calcium oxalate deposition, and scattered vascular bundles with very poorly developed xylem elements. The petiole is a stalk that attaches a leaf blade to the stem. Seeing as how you are new here Rouhal Siddique, and this looks like your first question I'll help. Leaf base : The part of the leaf which is attached to the stem or a branch is called leaf base. A leaf complete in its parts consists of blade, leaf-stalk or petiole, and a pair of stipules. For potatoes, submit a minimum of 40 petioles per sample. As a verb leaf is to produce leaves; put forth foliage. Generally, leaf base, petiole, and lamina, together form the main parts of a leaf. “Capital” vs. “Capitol”: Do You Know Where You’re Going? tumefacU'ns. (Botany) the stalk by which a leaf is attached to the rest of the plant 2. In addition, it provides structural support to the leaf. Main function of leaf is _____. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. … Plants respond and adapt to environmental factors, such as light and mechanical stress from wind. Leaf base (= hypo podium) is the lowermost part of the leaf by which the leaf is joined to the node of the stem. …plant stem by a stalklike petiole. A petiole is the small portion of a plant that attaches the leaf to the stem. The American Heritage® Science Dictionary Our project will help agronomists, plant physiologists, plant breeders, agriculture chemists and ecologists to improve productivity of leaf area measurement. Petiole Definition The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. In some plants the leaf has a swollen leaf base. Petiole is purplish-red, sparsely covered with short, purplish pubescence, about 2.5-3.5 cm long. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. 1. the stalk of a leaf [n -S] : PETIOLED [adj] Medical Definition of Petiole. The stalk portion of a leaf. Many people often call it a stem, which is incorrect. Functions. Along with leaf base, lamina and petiole, together form the main parts of a leaf. In petiolate leaves, the leaf stalk is long. 1. In plants with compound leaves, the leaflets are attached to a continuation of the petiole called the rachis. A typical leaf consists of three parts—the blade, the foot-stalk (or petiole), and a pair of stipules. A stem is the part of the plant that serves as the main source of support and produces nodes and roots, and that's not what we observe in petioles. Many people often call it a stem, which is incorrect. Cross-section of petiole from an inoculated plant showing the central leaf-trace enlarged and converted into a pseudo stem by the parasitism oiBacl. Stay tuned with BYJU’S to learn more in detail about leaves, types of leaves, parts of leaves along with their significance and other related topics. However, horizontal alignment maximizes exposure to bending forces and failure from stresses such as wind, snow, hail, falling debris, animals, and abrasion from surrounding foliage and plant structures. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition In angiosperm: Leaves It is the structure through which products of photosynthesis are moved from leaves to the entire plant. Required fields are marked *. petiole (plural petioles) 1. In many legumes it is swollen. Your email address will not be published. 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The compound leaves of the family Fabaceae. Your email address will not be published. Having leaf tissue taper down the petiole to a narrow base, always having some leaf material … 2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects. Definition of petiole. 1. We do this by providing accurate data with an advanced data analytics platform to help researchers make faster, more informed decisions. Petiole is a platform to collect, analyze, discuss and share plant leaf area data obtained by the smartphones camera using a mobile application. Why Do “Left” And “Right” Mean Liberal And Conservative? Download Petiole Leaf Area First of all, Petiole is a precision agriculture technology company developing solutions to improve on agriculture research and decision-making about yields. Leaf base has two small leaf-like structure called stipules. Published by Houghton Mifflin Company. Leaf Area Index (LAI) or Specific Leaf Area (SLA) - this app helps with both. This portion of a plant can also be called a leafstalk. petershams peterwort petewilliamsite petfood petfoods petha pethanol pethas pether pethers: pethidine petiolar petiolary petiolate petiolated petiole (current term) petioled petioles petiolulate petiolule: petiolules petiolus … the stalk by which a leaf is attached to the rest of the plant, a slender stalk or stem, such as the connection between the thorax and abdomen of ants, The Wild Flowers of California: Their Names, Haunts, and Habits. In most of the plants it is indistinct. Petiole definition: the stalk by which a leaf is attached to the rest of the plant | Meaning, pronunciation, translations and examples It helps in seismonasti… Which of the following animal names traces its immediate origin to Portuguese? structure in plants In leaf: Leaf morphology This name was given to the petiole, since it resembles a little foot when leaves are attached to it. a stalk or peduncle, as that connecting the abdomen and thorax in wasps. Sessile leaves do not: the blade attaches directly to the stem. Dictionary.com Unabridged Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. The petiole is the long, thin, stalk that links the leaf blade to the stem. D. Petiole. It is responsible for sleep and shock …

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