structure in plants In leaf: Leaf morphology Generally, leaf base, petiole, and lamina, together form the main parts of a leaf. It helps in seismonasti… 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. The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. A. Transpiration B. It is responsible for sleep and shock … See more. The leaf consists of three parts namely, leaf base (usually provided with a pair of stipules), petiole and leaf blade or lamina. The petiole is the long, thin, stalk that links the leaf blade to the stem. The word petiole comes from the Latin word petiolus, which literally translates into "little foot." Petiole. Answers: Petiole is the stalk of a leaf that attaches the blade to the stem. Other … In angiosperm: Leaves 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. “Misinformation” vs. “Disinformation”: Get Informed On The Difference, The Most Surprisingly Serendipitous Words Of The Day. Your email address will not be published. In addition, it provides structural support to the leaf. It is the structure through which products of photosynthesis are moved from leaves to the entire plant. Parts of a Leaf. This portion of a plant can also be called a leafstalk. Providing support to the leaf and keeps it erect; A petiole sample should consist of 25 or more sub-samples taken at random. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. (Botany) the stalk by which a leaf is attached to the rest of the plant 2. A typical leaf shows three main parts: 1) petiole, 2) leaf base, and 3) leaf blade or lamina, each performing specific functions. Leaf Area Index (LAI) or Specific Leaf Area (SLA) - this app helps with both. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. In petiolate leaves, the leaf stalk is long. 2. All rights reserved. Copyright © 2011. Many people often call it a stem, which is incorrect. 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. In some Acacia species, such as the Koa Tree , the petioles are expanded or broadened and function like leaf blades; these are called phyllodes. That was easy. Main function of leaf is _____. In plants with compound leaves, the leaflets are attached to a continuation of the petiole called the rachis. It acts as a leaf cushion. The stalk portion of a leaf. (entomology) The stalk at the base of the nest of the paper wasp. CreationWiki - Recent changes [en] Porch,349) The midrib of a fern leaf is called petiole, and the leaflet, a blade. Leaf base (= hypo podium) is the lowermost part of the leaf by which the leaf is joined to the node of the stem. 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So, the correct answer is ‘Petiole’ Q2. Petiole Definition The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. What Is “Stochastic Terrorism,” And Why Is It Trending? We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. In most of the plants it is indistinct. Find more ways to say petiole, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Published by Houghton Mifflin Harcourt Publishing Company. 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. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition In botany, the petiole is the stalk that attaches the leaf blade to the stem. The compound leaves of the family Fabaceae. It is termed sessile if the petiole is absent. It is called sheathing leaf base. On a simple leaf it's easy and straightforward, think of it as the small “stem” where the “leaf” is on the end. The petiole in different species varies from short to long and from stout to slender. The petiole is the stem that attaches the leaf blade to the main stem. In plants like paddy, wheat, and other monocotyledons, this leaf base is wide and masks the stem. Do you know what they mean? Also Refer: Morphology, Types and Modification Of Leaves As a verb leaf is to produce leaves; put forth foliage. Along with leaf base, lamina and petiole, together form the main parts of a leaf. A peculiarity of the foliage is the apparent division of the petiole into three main ribs, instead of a single midrib. Sessile leaves do not: the blade attaches directly to the stem. 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 some plants the leaf has a swollen leaf base. Measure individual leaf area, get total leaf area, save data and see comparisons. The petiole is a stalk that connects the blade with the leaf base. “Capital” vs. “Capitol”: Do You Know Where You’re Going? (i) Leaf base (Hypopodium) : Leaf base is the lower most part of the leaf meant for attachment. The Times Today's News. The American Heritage® Science Dictionary Petiole definition, the slender stalk by which a leaf is attached to the stem; leafstalk. It arises at a node. D. Petiole. 2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects. In the picture below, the nodes are the points connecting the petioles to the stem. 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. Many people often call it a stem, which is incorrect. Leaf Base: This is the part where a leaf attaches to the stem. We do this by providing accurate data with an advanced data analytics platform to help researchers make faster, more informed decisions. If a sample […] Petiole has three main features: (1) Accessible Anywhere Measure leaf area at your lab or in a field. (Zoology) zoology a slender stalk or stem, such as the connection between the thorax and abdomen of ants 1. the stalk of a leaf [n -S] : PETIOLED [adj] Medical Definition of Petiole. 1 : a slender stem that supports the blade of a foliage leaf. After attaching the petiole to the recording lever, indirect stimulus is applied, generally speaking, at a distance of 15 mm. 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