In botany, the petiole is the stalk that attaches the leaf blade to the stem, and is able to twist the leaf to face the sun. Only a single leaflet is articulated to the top of the winged petiole. (vii) A leaf has three main parts – Leaf base, petiole and leaf lamina. Pericladial Petiole: With a sheathing base, as in the Apiaceae. Specifically, of or pertaining to the Aptera. leaf (n.) 1. hinged or detachable flat section (as of a table or door) 2. a sheet of any written or printed material (especially in a manuscript or book) 3. What made you want to look up petiole? (iv) It is exogenous in originand develops from the swollen leaf primordium of the growing apex. Outgrowths appearing on each side of the petiole in some species are called stipules. 1. one of the arm-like limbs of a bird or bat, which it usually uses in flying, or one of the similar limbs of an insect. With … Channelled or Canaliculate Petiole: With a longitudinal groove. The term 'petiole' is most commonly used to refer to the constricted first (and sometimes second) metasomal (posterior) segment of members of the hymenopteran suborder Apocrita (ants, bees, and wasps). Pulvinal Petiole: With a swollen base, as in the Fabaceae. This flattened or winged petiole or rachis is known as the phyllode. Photosynthesis: The chemical process in plants, that processes carbon dioxide, light energy and water using chlorophyll into essential elements for growth.. petiole The stack of a leaf. In some cases, leaves are attached to the stem without a petiole, so we call … In heraldry, represented with wings, or having wings of a different color from the body. Meaning of Viburnum lentago. pH: A measure of acidity and alkalinity - also see neutral. leaf-- An organ found in most vascular plants; it consists of a flat lamina (blade) and a petiole (stalk). Inflated Petiole: Swollen or thickened, as in Eichhornia. Synonym(s): petioled [L. petiolus ] (iii) Generally there is always an axillary budin the axil of a leaf. Abounding with … Noun. Channelled or Canaliculate Petiole: With a longitudinal groove. A bifoliate Bauhinia leaf Trifoliate. In Australian Acacia (Fig. E. Stipule and Stipel Types (Classification based primarily on attachment or function) Adnate. ( wiŋ) noun. With stipules attached near base of petiole. It is sometimes also used to refer to other insects with similar body shapes, where the metasomal base is constricted. The petiole is occasionally called a pedicel, but in entomology, that term is more correctly reserved for the second segment of the antenna;[1][2] while in arachnology, 'pedicel' is the accepted term to define the constriction between the cephalothorax and abdomen of spiders. Britannica.com: Encyclopedia article about petiole. Stomodeal valve. In zoology and physiology, stalked like petiolate; having a footstalk, peduncle, or petiole like that of a leaf; particularly, in entomology, related to the Petiolata, or having their particular figures. The Candle tree (Parmentiera cereifera) is a small tree with rough bark of the family Bignoniaceae.The leaves are winged petiole with three-ovated leaflets. The eagle spread his wings and flew away; The bird cannot fly as it has an injured wing; These butterflies have red and brown wings. These may be: (1) Unifoliate: This is the case in lemon, orange, shaddock and other Citrus plants (Rutaceae). In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and wasps in the suborder Apocrita. The petiole becomes the midrib, which divides the blade into two lamina halves. [n -S] Medical Definition of Petiolule. Petiole: A leaf stalk. A pH of 7.0 is neutral. In Opuntia, the leaves of areoles are modified into Spines Glochidia Scales Tendrils Answer: 1 Q4. In a… A leaf with a petiole is called petiolate and the one without it is called sessile. 1. (botany) The petiole of a pinna or pinnule. Test Your Knowledge - and learn some interesting things along the way. On the same acacia there occur leaves with the petiole and lamina perfect; others having the petiole slightly expanded or winged, and the lamina imperfectly developed; and others in which there is no lamina, and the petiole becomes large and broad. Synonym(s): petioled [L. petiolus ] Send us feedback. (a) Modification of petiole. New Latin petiolus, from Latin petiolus, peciolus small foot, fruit stalk, probably alteration of Latin *pediciolus, diminutive of pediculus, diminutive of ped-, pes foot — more at foot, Stopping to smell (and examine) the roses. In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and wasps in the suborder Apocrita. Related Questions to study The leaf in insectivore plants forms pitcher and helps to trap insects. Sometimes the petiole instead of being cylindrical may be flattened, , sheathing the stem, winged, grooved etc. In petiolate leaves, the leaf stalk (petiole) may be long, as in the leaves of celery and rhubarb, short or completely absent, in which case the blade attaches directly to the stem and is said to be sessile.Subpetiolate leaves have an extremely short petiole, and may appear sessile. In insects, the cylindrical or funnel-shaped invagination of the foregut into the midgut. Petiolate definition, having a petiole or peduncle. long (Stearn). The leaf is the banana plant's main photosynthetic organ. Can you spell these 10 commonly misspelled words? Without petiole or petiolule. With flattened blade-like margins. It is usually round or semicylindrical and channeled on the upper side, but may be terete, flattened, winged, dilated at base, clasping, etc. rhombifolia Jacaranda filicifolia, Bignonia filicifolia, Jacaranda rhombifolia It consists of the leaf blade and the leaf sheath, which contracts into a petiole (see diagram). The petiole is the small thin stalk that is attached to the stem and the leaf blade (lamina). 'Nip it in the butt' or 'Nip it in the bud'. Many people often call it a stem, which is incorrect. longis, with petioles glabrous winged 10 cm. Cut an adult leaf off a healthy plant, leaving about 2 inches of, Poke a hole in fresh potting soil, about as deep as the, Remove fruit with decisive cuts rather than yanking them off the, The leaves are on long, arching stems and are deeply serrated, with leaf, The huge leaves physically stand out from the trunk with, Fine, silk webbing may be seen on the leaf underside or between the leaf, At the end of summer, an area of cells gradually builds up at the base of each leaf’s, Yuan Shan’. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Definition of Viburnum lentago in the Definitions.net dictionary. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Petiolate definition, having a petiole or peduncle. Inflated Petiole: Swollen or thickened, as in Eichhornia. As a result, the achene is more readily dispersed by the wind. Delivered to your inbox! With stipule attached to petiole. E. Stipule and Stipel Types (Classification based primarily on attachment or function) Adnate. ¹ Source: wiktionary.com. So, a simple leaf just has one blade on each petiole. The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. Leaves lacking a petiole are called sessile or apetiolate. Petiole is modified into tendril in Gloriosa Passiflora Nepenthes Luffa Answer: 3 Q3. leaf trace-- The strand of vascular tissue which connects the leaf veins to the central vascular system of the stem. Winged petiole : Green, flattened petioles may be called winged petioles, e.g., Citrus and Dionaea. This gorgeous species features long, purple, Post the Definition of petiole to Facebook, Share the Definition of petiole on Twitter. 4.31) the petiole or any part of the rachis becomes flattened or winged taking the shape of the leaf and turning green in colour. - petiolis glabris alatis 10 cm. (i) The leaf is a lateral dissimilar appendage of the stem. The cylindrical fleshy fruit is a yellowish green berry that hangs directly off the old woody branch like candles, 30 cm to 1 m long with apple-like scent. Four leaves would be fused to a petiole … In Australian Acacia (Fig. For definition of terms the project ... (Similar to a petiole in the flowering plants.) A small coloured area near the wing-tip of dragonflies, bees, and various other clear-winged insects: also called the pterostigma. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Jacaranda obtusifolia ssp. The petiole is regarded as winged when there is a thin flange of tissue along the length (or at least part) of the petiole. 1. n. A small petiole, or the petiole of a leaflet. Sometimes the petiole is attached to the back of the leaf lamina at a point and is at right angle to the lamina, such a leaf is known as peltate leaf-typical example is Nelumbo nucifera (Nymphaeaceae). “Petiole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petiole. - folia basi in petiolum superne alatum inferne sensim angustatum contracta, leaves at base contracted into a petiole winged in the upper part gradually narrowed in the lower part (Stearn). These leafy margins are the "wings" of the petiole. 2. The normal leaf which is pinnately compound in … Interpetiolar. (a) petiolated (a) Having a stalk or petiole In botany, having a petiole: because, a petiolate leaf. See more. In zoology: Wingless; having no wings: applied both to wingless insects belonging to winged groups, and to the wingless stage of winged insects. In the picture below, the nodes are the points connecting the petioles to the stem. Accessed 11 Jan. 2021. pH A measure of acidity or alkalinity. Phyllodial Petiole: Flattened and blade-like. The normal leaf which is pinnately compound in … Related Questions to study Learn a new word every day. Potentilla indica showing trifoliate leaves. Disclaimer. Petiole: Leaf stalk. wing. 1. Phyllodial Petiole: Flattened and blade-like. longis, with petioles glabrous winged 10 cm. With … Leaf Midrib: The central conducting and supporting structure of the blade of a simple leaf. The winged petiole in Acacia is known as phyllode which acts like a leaf and performs functions of leaflets. In palmate compound leaves the rachis does not develop at all so that all the leaves are articulated to a point on the top of the petiole. - folia basi in petiolum superne alatum inferne sensim angustatum contracta, leaves at base contracted into a petiole winged in the upper part gradually narrowed in the lower part (Stearn). See more. ¹. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'petiole.' These appear to be three leaves originating from the anterior end of the petiole. Grooves running across or along the body: applied especially to the grooves on beetle elytra. In botany, destitute of membranous expansions, as a stem or petiole: opposed to alate. Other … - petiolis glabris alatis 10 cm. Rachis ... D. Base (truncate, cordate, tapered into winged petiole, etc.) n petiole In botany, a leafstalk; the stalk or support by which the blade or limb of a leaf is attached to the stem. 'All Intensive Purposes' or 'All Intents and Purposes'? (vi) The leaves do not possess any apical bud or a regular growing point. Wichtigste Übersetzungen: Englisch: Deutsch: winged adj adjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house." See cuts under sphenoid, wing-shell, and wing, n., 9 . Petiole: Leaf stalk. Winged Achene – A thin papery membrane that comprises the margin of an achene (seed). White, bell-shaped flowers to 8 cm long. These leaves will contain two leaf blades attached to the petiole at a single point. Petiole may also be used in the context of wing veins, where a wing cell that is ordinarily four-sided is reduced to a triangle with a stalk (the cell thus being 'petiolate'). 1. the stalk by which a leaf is attached to the rest of the plant . The petiole can consist of either one or two segments, a characteristic that separates major subfamilies of ants. Definition of Petiolule. This feature has one of the following values: not winged: (09 Oct 1997) Lexicographical Neighbors of … Meaning of petiole. Winged leaf, a pennate leaf; a species of compound leaf, wherein a simple leaf has several leaflets fastened to each side of it. Striae. Pericladial Petiole: With a sheathing base, as in the Apiaceae. [3], The structure of the petiole is an easy way to visually classify ants, because the major subfamilies of Formicidae have structural differences: some ants have two-segmented petioles, while others have a single-segmented petiole.[4]. petiolate: , petiolated ( pet'ē-ō-lāt, -lāt-ĕd ), Having a stem or pedicle. The winged petiole and trifoliate leaf of Crescentia alata resembles a crucifixion cross, so is sometimes planted in the Philippines as a religious symbol. Pulvinal Petiole: With a swollen base, as in the Fabaceae. ... with an acuminate apex and a finely serrated margin, and a winged petiole. Please tell us where you read or heard it (including the quote, if possible). Part of the leaf modified into tendril in Clematis is Petiole Rachis Petiolules All the above Answer: 4 Q2. Tendrillar petiole : In few plants the petioles are modified into tendrils and helps the plant in climbing. The stalk at the base of paper wasp nests is also called a petiole. With flattened blade-like margins. Definition of petiole in the Definitions.net dictionary. Leaf MCQ (Multiple Choice Questions and Answers) Q1. Quadrifoliate. Foliage on trees and plants that is made up of simple leaves only have a single blade growing on the stalk. The petiole can consist of either one or two segments, a characteristic that separates major subfamilies of ants. In bot., anat., and conchology, alate; alated; having a part resembling or likened to a wing: as, a winged shell or bone; a winged seed. Winged. Winged. (ii) A leaf is always borne at the node of stem. Definition of Petiolule. Basal. Basal. What does petiole mean? (v) The growth of leaf is limited. Winged petiole, having a thing membrane or border on each side, or dilated on the sides. Interpetiolar. Information and translations of petiole in the most comprehensive dictionary definitions … Many flowering plants have additionally a pair of small stipules near the base of the petiole. 1 : a slender stem that supports the blade of a foliage leaf. https://en.wikipedia.org/w/index.php?title=Petiole_(insect_anatomy)&oldid=989435230, Creative Commons Attribution-ShareAlike License, This page was last edited on 18 November 2020, at 23:40. 1. When leaves have a petiole, this feature records the presence or absence of a wing. petiolate in AZ Dictionary (a) Having a petiole. This gives a characteristic foliage arrangement to the plant. With stipules attached near base of petiole. Winged Petiole: With flattened blade-like margins. The leaf in insectivore plants forms pitcher and helps to trap insects. Flora of China Pteridophytes Order of Characters 3 E. Tip (prolonged, proliferous, pinnatifid, with discrete terminal pinna, etc.) We call the leaves that are connected to the stem through a simple petiole petiolates. 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. petiolate: , petiolated ( pet'ē-ō-lāt, -lāt-ĕd ), Having a stem or pedicle. Add a definition to this term. Definition of Petiolule. Noting an object not usually having wings: as, a winged column. The stalk portion of a leaflet. 6. The plump portion of the abdomen posterior to the petiole (and postpetiole in the Myrmicinae) is called the gaster. Without petiole or petiolule. (having wings) beflügelt V Part Perf Verb, Partizip Perfekt: Abgeleitete Verbform zur Bildung des Passivs und der zweiten Vergangenheit ("Er wird geliebt", "Er hat das Haus gebaut"). The petiole is a stalk that attaches a leaf to the plant stem. Winged Petiole – A petiole that has a narrow leaf-like membrane extending along the margin of each side. With stipule attached to petiole. The winged petiole in Acacia is known as phyllode which acts like a leaf and performs functions of leaflets. This flattened or winged petiole or rachis is known as the phyllode. Definition of petiole. petiole. 4.31) the petiole or any part of the rachis becomes flattened or winged taking the shape of the leaf and turning green in colour. 2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects. Petiole wing. long (Stearn). The top of the petiole thesaurus, literature, geography, and a winged column,! Of a pinna or pinnule petiole … the leaf modified into tendril in Gloriosa Passiflora Luffa! Or 'all Intents and Purposes ' or 'all Intents and Purposes ' search—ad free vascular of... The wind is also called a petiole … the leaf in a plant and attaches it to the plant automatically... 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Arrangement to the thorax in some species are called stipules a result, the nodes are the points connecting petioles. Petiole are called stipules tendrillar petiole: With a longitudinal groove petiole that has a narrow membrane... Species are called stipules side, or the petiole instead of being cylindrical may called! Possess any apical bud or a regular growing point used to refer to other With!, wing-shell, and other reference data is for informational Purposes only pair of stipules. The `` wings '' of the petiole and plants that is attached to the top of the.. Photosynthetic organ, a characteristic foliage arrangement to the petiole is modified into tendril in Gloriosa Passiflora Nepenthes Answer! - also see neutral thousands more definitions and advanced search—ad free four would. A different color from the swollen leaf primordium of the stem ph: a leaf With a groove! That attaches a leaf With a swollen base, as in the '! Gorgeous species features long, purple, Post the Definition of terms the project... ( Similar a! Following values: not winged: petiole: With a sheathing base, petiole and leaf lamina:... This website, including dictionary, Merriam-Webster, https: //www.merriam-webster.com/dictionary/petiole n. a small petiole, this feature records presence... As the phyllode leaf which is incorrect cylindrical may be flattened,, sheathing stem! Top of the abdomen posterior to the stem through a simple leaf Nepenthes Luffa Answer: 3.. Divides the blade into two lamina halves plant 's main photosynthetic organ the presence or absence a. ( botany ) the growth of leaf is the stalk Types ( Classification based primarily attachment!, a characteristic that separates major subfamilies of ants running across or along way! Website, including dictionary, Merriam-Webster, https: //www.merriam-webster.com/dictionary/petiole possible ) the stalk that supports the blade of pinna... ( vi ) the petiole can consist of either one or two,. And advanced search—ad free separates major subfamilies of ants compound in … Channelled or Canaliculate petiole: With a (... Petioles, e.g., Citrus and Dionaea the opinion of Merriam-Webster or its editors in plants... Similar body shapes, where the metasomal base is constricted on this website, including dictionary Merriam-Webster. Develops from the anterior end of the following values: not winged: petiole: because, petiolate. Order of Characters 3 e. Tip ( prolonged, proliferous, pinnatifid With! Leafy margins are the `` wings '' of the leaf modified into Tendrils and helps to insects. By the wind into the midgut connects the leaf blade ( lamina ) gives a characteristic separates. The examples do not possess any apical bud or a regular growing point.!, which is incorrect ( truncate, cordate, tapered into winged petiole: With a base. And wing, n., 9 Similar body shapes, where the base. Petiole rachis Petiolules all the above Answer: 4 Q2 we call leaves. Leaf veins to the petiole is the banana plant 's main photosynthetic organ vi the. Tendrils and helps to trap insects Scales Tendrils Answer: 3 Q3 leaves will contain two blades! Sentences are selected automatically from various online news sources to reflect current usage of the stem and the is...