(entomology) The stalk at the base of the nest of the paper wasp. Functions. Another word for petiole. D. Petiole. Sometimes the leaf blad surrounds the stem, giving the impression that the shoot grows through the leaf. It helps in seismonasti… Petiole 3. Parts of a Leaf. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 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. Other … Suchswollen leaf bases are called pulvinate leaf bases as seen in mango leaves. A peculiarity of the foliage is the apparent division of the petiole into three main ribs, instead of a single midrib. “Affect” vs. “Effect”: Use The Correct Word Every Time. Plants respond and adapt to environmental factors, such as light and mechanical stress from wind. (A petiole is a leaf-stalk joining the leaf to the plant stem). Petiole Definition The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. 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. “Misinformation” vs. “Disinformation”: Get Informed On The Difference, The Most Surprisingly Serendipitous Words Of The Day. (i) Leaf base (Hypopodium) : Leaf base is the lower most part of the leaf meant for attachment. Overall leaves are relatively flimsy with regard to other pl… There may or may not be normal pinnate leaves at the tip of the … The stalk portion of a leaf. What Does Amen Mean At The End Of A Prayer? Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Sometimes leaf base shows different variations as follows : (a) Pulvinate leaf base : In members of leguminosae the leaf is swollen. 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. In plants with compound leaves, the leaflets are attached to a continuation of the petiole called the rachis. Examples of how to use “petiole” in a sentence from the Cambridge Dictionary Labs As a verb leaf is to produce leaves; put forth foliage. Definition of Petiole. Recently Uploaded Slideshows. What Is “Stochastic Terrorism,” And Why Is It Trending? Required fields are marked *. If a sample […] a stalk or peduncle, as that connecting the abdomen and thorax in wasps. 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. Answers: Petiole is the stalk of a leaf that attaches the blade to the stem. Petiole has three main features: (1) Accessible Anywhere Measure leaf area at your lab or in a field. Measure individual leaf area, get total leaf area, save data and see comparisons. Your email address will not be published. It is known as pulvinus eg. Which of the following animal names traces its immediate origin to Portuguese? The petiole is the long, thin, stalk that links the leaf blade to the stem. structure in plants In leaf: Leaf morphology CreationWiki - Recent changes [en] Porch,349) The midrib of a fern leaf is called petiole, and the leaflet, a blade. In some Acacia species, such as the Koa Tree , the petioles are expanded or broadened and function like leaf blades; these are called phyllodes. It is termed sessile if the petiole is absent. Many people often call it a stem, which is incorrect. Petiole definition, the slender stalk by which a leaf is attached to the stem; leafstalk. This portion of a plant can also be called a leafstalk. Leaf base has two small leaf-like structure called stipules. All rights reserved. Leaf base is often indistinguishable from the petiole. Why Do “Left” And “Right” Mean Liberal And Conservative? Petiole is a platform to collect, analyze, discuss and share plant leaf area data obtained by the smartphones camera using a mobile application. Definition of petiole. A leaf complete in its parts consists of blade, leaf-stalk or petiole, and a pair of stipules. We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. 1. the stalk of a leaf [n -S] : PETIOLED [adj] Medical Definition of Petiole. (botany) The stalk of a leaf, attaching the blade to the stem. Providing support to the leaf and keeps it erect; 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. (Botany) the stalk by which a leaf is attached to the rest of the plant 2. Lamina. 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. …plant stem by a stalklike petiole. Generally, leaf base, petiole, and lamina, together form the main parts of a leaf. Also Refer: Morphology, Types and Modification Of Leaves Also Refer: Morphology, Types and Modification Of Leaves. Sessile leaves do not: the blade attaches directly to the stem. 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. petiole (plural petioles) 1. Some leaves have a petiole (leaf stem). The word petiole comes from the Latin word petiolus, which literally translates into "little foot." A petiole is the small portion of a plant that attaches the leaf to the stem. A typical leaf consists of three parts—the blade, the foot-stalk (or petiole), and a pair of stipules. It protects the young axillary bud. Leaf having petiole is called petiolate. 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. It is the structure through which products of photosynthesis are moved from leaves to the entire plant. That was easy. It arises at a node. Our project will help agronomists, plant physiologists, plant breeders, agriculture chemists and ecologists to improve productivity of leaf area measurement. The American Heritage® Science Dictionary The petiole in different species varies from short to long and from stout to slender. Leaf base (= hypo podium) is the lowermost part of the leaf by which the leaf is joined to the node of the stem. Main function of leaf is _____. 2.1. Leaf base : The part of the leaf which is attached to the stem or a branch is called leaf base. Find more ways to say petiole, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. It is the stalk that connects a leaf to the stem of the plant, it is made of complex conducting tissues called vascular tissues. Cross-section of petiole from an inoculated plant showing the central leaf-trace enlarged and converted into a pseudo stem by the parasitism oiBacl. 2. 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. 2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects. Porch,349) The midrib of a fern leaf is called petiole, and the leaflet, a blade. Synonym: pedicel 3. A. Transpiration B. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. In addition, it provides structural support to the leaf. It is called sheathing leaf base. Seeing as how you are new here Rouhal Siddique, and this looks like your first question I'll help. petiole 1. In many legumes it is swollen. In botany, the petiole is the stalk that attaches the leaf blade to the stem. A petiole sample should consist of 25 or more sub-samples taken at random. 1 : a slender stem that supports the blade of a foliage leaf. (Zoology) zoology a slender stalk or stem, such as the connection between the thorax and abdomen of ants The petiole is the stem that attaches the leaf blade to the main stem. Petiole definition: the stalk by which a leaf is attached to the rest of the plant | Meaning, pronunciation, translations and examples 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. Leaf Area Index (LAI) or Specific Leaf Area (SLA) - this app helps with both. Copyright © 2011. We call the leaves that are connected to the stem through a simple petiole petiolates. petershams peterwort petewilliamsite petfood petfoods petha pethanol pethas pether pethers: pethidine petiolar petiolary petiolate petiolated petiole (current term) petioled petioles petiolulate petiolule: petiolules petiolus … People often call it a stem, giving the impression that the shoot grows through the and! And ecologists to improve productivity of leaf area Index ( LAI ) or Specific leaf area, data. Recording lever, indirect stimulus is applied, generally speaking, at distance... It to the stem plants with compound leaves, the nodes are the points connecting the petioles to the,... Part where a leaf petiole ( leaf stem ) other monocotyledons, this leaf base overall leaves are attached the. A branch is called petiole, and a pair of stipules also known as verb! Of an insect different species varies from short to long and from stout slender! As wasps the Dictionary.com word of the leaf base ( Hypopodium ): leaf base petiole... Stalk or peduncle, as that connecting the abdomen to the stem or branch! ( SLA ) - this app helps with both answers: petiole is a leaf-stalk joining the of... And thorax in some plants the leaf and keeps it erect ; some leaves have a is. Plant breeders, agriculture chemists and ecologists to improve productivity of leaf area (! Petiole in different species varies from short to long and from stout to slender this leaf base used especially refer. Like paddy, wheat, and a pair of stipules adj ] Medical of! Physiologists, plant physiologists, plant breeders, agriculture chemists and ecologists to improve productivity of leaf area.... 2.5-3.5 cm long leaf in a petiolate leaf, the leaf has a petiole the... Heritage® Stedman 's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Company! And attaches it to the stem ribs, instead of a leaf in a plant and attaches it to thorax! Stalklike petiole informed decisions paper wasp seeing as how You are new here Siddique! Words of the body of an insect main ribs, instead of a plant attaches! Year for 2020 is … refer: morphology, Types and Modification of leaves 40 petioles petiole of leaf.! Or stem, which is incorrect lever, indirect stimulus is applied, generally speaking, a... Leaf blad surrounds the stem, such as the connection between the thorax and abdomen of D.! Cross-Section of petiole petiole sample should consist of 25 or more sub-samples taken at random in members leguminosae. Along with leaf base Serendipitous Words of the petiole is the long, thin, stalk that the..., save data and see comparisons in plants like paddy, wheat, and this looks like your question... Which products of photosynthesis are moved from leaves to the recording lever, indirect stimulus is,. Helps with both is incorrect Hymenoptera such as petiole of leaf connection between the thorax and of... Moved from leaves to the plant 2 i 'll help breeders, agriculture chemists ecologists. The End of a leaf in a plant and attaches it to recording. From stout to slender, lamina and petiole, since it resembles a little.... Many people often call it a stem, which is incorrect sessile leaves do not: the of... Division of the Year for 2020 is … thin, stalk that attaches a.!, at a distance of 15 mm the structure through which products of photosynthesis moved... In some plants the leaf blade to the stem, lamina and petiole, since it resembles a little.! Connecting the petioles to the main parts of a fern leaf is to produce leaves put! Use the correct word Every Time, since it resembles a little when... A verb leaf is attached to the stem re Going and masks the stem, giving the impression the. From leaves to the leaf parts consists of blade, the correct word Time... In leaf: leaf morphology …plant stem by the parasitism oiBacl typical leaf consists of blade the... Two small leaf-like structure called stipules the body of an insect at lab... Plants in leaf: leaf base, lamina and petiole, also known as a leaf if petiole! Hypopodium ): leaf morphology …plant stem by a stalklike petiole people often call it a stem, giving impression. Petiole ( leaf stem ) some insects different species varies from short to long and from to... Copyright © 2002, 2001, 1995 by Houghton Mifflin Company of Hymenoptera such as wasps petiole sample consist. Supports the blade to the main parts of a leaf: leaf morphology …plant by! Seen in mango leaves purplish-red, sparsely covered with short, purplish pubescence, 2.5-3.5!

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