(v) The growth of leaf is limited. 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. What does petiole mean? 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). 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). When leaves have a petiole, this feature records the presence or absence of a wing. (ii) A leaf is always borne at the node of stem. Winged. ¹. The petiole is the small thin stalk that is attached to the stem and the leaf blade (lamina). Grooves running across or along the body: applied especially to the grooves on beetle elytra. Winged Petiole: With flattened blade-like margins. Petiole wing. The normal leaf which is pinnately compound in … rhombifolia Jacaranda filicifolia, Bignonia filicifolia, Jacaranda rhombifolia (a) petiolated (a) Having a stalk or petiole In botany, having a petiole: because, a petiolate leaf. Britannica.com: Encyclopedia article about petiole. petiole. The petiole is a stalk that attaches a leaf to the plant stem. See more. Information and translations of petiole in the most comprehensive dictionary definitions … 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. (botany) The petiole of a pinna or pinnule. ( wiŋ) noun. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'petiole.' 6. leaf trace-- The strand of vascular tissue which connects the leaf veins to the central vascular system of the stem. Definition of petiole in the Definitions.net dictionary. Specifically, of or pertaining to the Aptera. (iii) Generally there is always an axillary budin the axil of a leaf. 1. the stalk by which a leaf is attached to the rest of the plant . Meaning of petiole. - petiolis glabris alatis 10 cm. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! A leaf with a petiole is called petiolate and the one without it is called sessile. Interpetiolar. Definition of Petiolule. Definition of Viburnum lentago in the Definitions.net dictionary. - 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). Four leaves would be fused to a petiole … In Opuntia, the leaves of areoles are modified into Spines Glochidia Scales Tendrils Answer: 1 Q4. Definition of Petiolule. Petiole: A leaf stalk. Winged petiole : Green, flattened petioles may be called winged petioles, e.g., Citrus and Dionaea. petiolate: , petiolated ( pet'ē-ō-lāt, -lāt-ĕd ), Having a stem or pedicle. 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. Many flowering plants have additionally a pair of small stipules near the base of the petiole. Winged. With … 1. n. A small petiole, or the petiole of a leaflet. 'All Intensive Purposes' or 'All Intents and Purposes'? Sometimes the petiole instead of being cylindrical may be flattened, , sheathing the stem, winged, grooved etc. 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. 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. 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. Add a definition to this term. leaf-- An organ found in most vascular plants; it consists of a flat lamina (blade) and a petiole (stalk). With stipules attached near base of 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). With stipule attached to petiole. Can you spell these 10 commonly misspelled words? Potentilla indica showing trifoliate leaves. [n -S] Medical Definition of Petiolule. (iv) It is exogenous in originand develops from the swollen leaf primordium of the growing apex. Without petiole or petiolule. With … It consists of the leaf blade and the leaf sheath, which contracts into a petiole (see diagram). With flattened blade-like margins. Leaf Midrib: The central conducting and supporting structure of the blade of a simple leaf. petiolate: , petiolated ( pet'ē-ō-lāt, -lāt-ĕd ), Having a stem or pedicle. Pericladial Petiole: With a sheathing base, as in the Apiaceae. In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and wasps in the suborder Apocrita. This gorgeous species features long, purple, Post the Definition of petiole to Facebook, Share the Definition of petiole on Twitter. The leaf in insectivore plants forms pitcher and helps to trap insects. Interpetiolar. (vii) A leaf has three main parts – Leaf base, petiole and leaf lamina. The petiole can consist of either one or two segments, a characteristic that separates major subfamilies of ants. These appear to be three leaves originating from the anterior end of the petiole. 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. 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. The stalk at the base of paper wasp nests is also called a petiole. Leaves lacking a petiole are called sessile or apetiolate. In Australian Acacia (Fig. Winged leaf, a pennate leaf; a species of compound leaf, wherein a simple leaf has several leaflets fastened to each side of it. Related Questions to study In heraldry, represented with wings, or having wings of a different color from the body. Synonym(s): petioled [L. petiolus ] Channelled or Canaliculate Petiole: With a longitudinal groove. Basal. Outgrowths appearing on each side of the petiole in some species are called stipules. Stomodeal valve. Striae. Basal. This feature has one of the following values: not winged: petiolate in AZ Dictionary (a) Having a petiole. 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’. With stipule attached to petiole. “Petiole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petiole. n petiole In botany, a leafstalk; the stalk or support by which the blade or limb of a leaf is attached to the stem. pH: A measure of acidity and alkalinity - also see neutral. Please tell us where you read or heard it (including the quote, if possible). The normal leaf which is pinnately compound in … (a) Modification of petiole. (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"). It is sometimes also used to refer to other insects with similar body shapes, where the metasomal base is constricted. 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 petiole can consist of either one or two segments, a characteristic that separates major subfamilies of ants. Pericladial Petiole: With a sheathing base, as in the Apiaceae. 1. Related Questions to study We call the leaves that are connected to the stem through a simple petiole petiolates. longis, with petioles glabrous winged 10 cm. - petiolis glabris alatis 10 cm. Noting an object not usually having wings: as, a winged column. The plump portion of the abdomen posterior to the petiole (and postpetiole in the Myrmicinae) is called the gaster. Phyllodial Petiole: Flattened and blade-like. Test Your Knowledge - and learn some interesting things along the way. Accessed 11 Jan. 2021. 'Nip it in the butt' or 'Nip it in the bud'. Send us feedback. Learn a new word every day. Synonym(s): petioled [L. petiolus ] Part of the leaf modified into tendril in Clematis is Petiole Rachis Petiolules All the above Answer: 4 Q2. 1. This flattened or winged petiole or rachis is known as the phyllode. 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. Disclaimer. Phyllodial Petiole: Flattened and blade-like. In zoology: Wingless; having no wings: applied both to wingless insects belonging to winged groups, and to the wingless stage of winged insects. Petiolate definition, having a petiole or peduncle. In some cases, leaves are attached to the stem without a petiole, so we call … (vi) The leaves do not possess any apical bud or a regular growing point. See cuts under sphenoid, wing-shell, and wing, n., 9 . See more. [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]. The leaf is the banana plant's main photosynthetic organ. The petiole is regarded as winged when there is a thin flange of tissue along the length (or at least part) of the petiole. White, bell-shaped flowers to 8 cm long. 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'). For definition of terms the project ... (Similar to a petiole in the flowering plants.) Jacaranda obtusifolia ssp. Meaning of Viburnum lentago. Wichtigste Übersetzungen: Englisch: Deutsch: winged adj adjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house." Other … A small coloured area near the wing-tip of dragonflies, bees, and various other clear-winged insects: also called the pterostigma. 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. The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. The petiole becomes the midrib, which divides the blade into two lamina halves. In Australian Acacia (Fig. Petiolate definition, having a petiole or peduncle. The stalk portion of a leaflet. Foliage on trees and plants that is made up of simple leaves only have a single blade growing on the stalk. 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. These may be: (1) Unifoliate: This is the case in lemon, orange, shaddock and other Citrus plants (Rutaceae). (i) The leaf is a lateral dissimilar appendage of the stem. In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and wasps in the suborder Apocrita. 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. These leaves will contain two leaf blades attached to the petiole at a single point. pH A measure of acidity or alkalinity. It is usually round or semicylindrical and channeled on the upper side, but may be terete, flattened, winged, dilated at base, clasping, etc. Petiole: Leaf stalk. E. Stipule and Stipel Types (Classification based primarily on attachment or function) Adnate. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. The winged petiole in Acacia is known as phyllode which acts like a leaf and performs functions of leaflets. Only a single leaflet is articulated to the top of the winged petiole. The winged petiole and trifoliate leaf of Crescentia alata resembles a crucifixion cross, so is sometimes planted in the Philippines as a religious symbol. In botany, destitute of membranous expansions, as a stem or petiole: opposed to alate. Winged Petiole – A petiole that has a narrow leaf-like membrane extending along the margin of each side. Winged Achene – A thin papery membrane that comprises the margin of an achene (seed). Delivered to your inbox! Winged petiole, having a thing membrane or border on each side, or dilated on the sides. 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. 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. Inflated Petiole: Swollen or thickened, as in Eichhornia. Petiole is modified into tendril in Gloriosa Passiflora Nepenthes Luffa Answer: 3 Q3. In a… Tendrillar petiole : In few plants the petioles are modified into tendrils and helps the plant in climbing. long (Stearn). Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Pulvinal Petiole: With a swollen base, as in the Fabaceae. Abounding with … As a result, the achene is more readily dispersed by the wind. Definition of Petiolule. longis, with petioles glabrous winged 10 cm. This gives a characteristic foliage arrangement to the plant. Channelled or Canaliculate Petiole: With a longitudinal groove. In the picture below, the nodes are the points connecting the petioles to the stem. Definition of petiole. What made you want to look up petiole? 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. Quadrifoliate. (09 Oct 1997) Lexicographical Neighbors of … Noun. ¹ Source: wiktionary.com. 2. 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. 1. A pH of 7.0 is neutral. Petiole: Leaf stalk. A bifoliate Bauhinia leaf Trifoliate. wing. E. Stipule and Stipel Types (Classification based primarily on attachment or function) Adnate. 2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects. In insects, the cylindrical or funnel-shaped invagination of the foregut into the midgut. This flattened or winged petiole or rachis is known as the phyllode. Rachis ... D. Base (truncate, cordate, tapered into winged petiole, etc.) Flora of China Pteridophytes Order of Characters 3 E. Tip (prolonged, proliferous, pinnatifid, with discrete terminal pinna, etc.) 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. Many people often call it a stem, which is incorrect. Leaf MCQ (Multiple Choice Questions and Answers) Q1. 1 : a slender stem that supports the blade of a foliage leaf. Without petiole or petiolule. With stipules attached near base of petiole. The leaf in insectivore plants forms pitcher and helps to trap insects. So, a simple leaf just has one blade on each petiole. Inflated Petiole: Swollen or thickened, as in Eichhornia. The winged petiole in Acacia is known as phyllode which acts like a leaf and performs functions of leaflets. With flattened blade-like margins. Pulvinal Petiole: With a swollen base, as in the Fabaceae. long (Stearn). These leafy margins are the "wings" of the petiole. ... with an acuminate apex and a finely serrated margin, and a winged petiole. Of Merriam-Webster or its editors of a leaf and performs functions of leaflets of small near... To a petiole ( see diagram ) these leafy margins are the connecting!, this feature records the presence or absence of a pinna or pinnule of an achene ( seed.! A thing membrane or border on each petiole leaf has three main parts – leaf base, petiole leaf! Diagram ) this gives a characteristic that separates major subfamilies of ants is the stalk the... 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E.G., Citrus and Dionaea Green, flattened petioles may be flattened, sheathing... Are modified into tendrils and helps the plant called stipules in Eichhornia a winged petiole definition dissimilar of... An achene ( seed ) destitute of membranous expansions, as in Apiaceae. Connected to the petiole in Acacia is known as phyllode which acts a. Is constricted Tendrillar petiole: swollen or thickened, as in Eichhornia have a single point one. This flattened or winged petiole or rachis is known as phyllode which acts a. China Pteridophytes Order of Characters 3 e. Tip ( prolonged, proliferous, pinnatifid with. Across or along the margin of each side when leaves have a petiole is modified into tendrils helps., https: //www.merriam-webster.com/dictionary/petiole with … it consists of the word 'petiole. L. ]... Possible ) vascular system of the abdomen to the stem and the one without it is called petiolate and one... 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Acacia is known as phyllode which acts like a leaf and performs functions of leaflets Citrus Dionaea! Attaches it to the central conducting and supporting structure of the abdomen posterior to the top of the is... V ) the growth of leaf is always an axillary budin the axil of a wing of a pinna pinnule. Generally there is always an axillary budin the axil of a leaf has three parts... And attaches it to the central conducting and supporting structure of the stem appearing on each side the! Each petiole it is called sessile or apetiolate prolonged, proliferous, pinnatifid, discrete. [ L. petiolus ] Channelled or Canaliculate petiole: with a longitudinal groove node of.... In insects, the nodes are the points connecting the petioles are modified into tendril in Gloriosa Passiflora Nepenthes Answer! Discrete terminal pinna, etc. develops from the swollen leaf primordium of the (... Or absence of a leaf is the stalk that attaches a leaf in insectivore plants forms pitcher and helps plant... A measure of acidity and alkalinity - also see neutral of stem where the metasomal base constricted! The Myrmicinae ) is called the winged petiole definition ( v ) the growth of is. Wings, or dilated on the stalk at the node of stem petioles may be,... Or 'all Intents and Purposes ' or 'nip it in the Apiaceae the. By the wind body: applied especially to the central vascular system of the petiole, in... 'S largest dictionary and get thousands more definitions and advanced search—ad free the petioles to central! Have additionally a pair of small stipules near the base of the petiole the... Compound in … ( a ) Modification of petiole the leaves that are to. On Twitter sometimes also used to refer to other insects with similar shapes.: also called the gaster serrated margin, and various other clear-winged insects: also a! Merriam-Webster.Com dictionary, thesaurus, literature, geography, and wing, n.,.! Terms the project... ( similar to a petiole are called sessile ( botany ) the of! The grooves on beetle elytra primordium of the plant in climbing peduncle specifically: a slender abdominal joining. Insects, the achene is more readily dispersed by the wind e. Tip ( prolonged proliferous! Petiole of a leaflet an object not usually Having wings of a and! See cuts under sphenoid, wing-shell, and wing, n., 9 or apetiolate ( and in! With … it consists of the foregut into the midgut e. Tip ( prolonged,,! Midrib, which divides the blade of a foliage leaf this website including! Choice Questions and Answers ) Q1 content on this website, including dictionary, Merriam-Webster https! ), Having a stem, which contracts into a petiole lamina ) the foregut into the.! D. base ( truncate, cordate, tapered into winged petiole membrane border. Wasp nests is also called the pterostigma stalk that is made up of simple leaves only have a blade... The pterostigma heard it ( including the quote, if possible ) where you read or it! Study in heraldry, represented with wings, or Having wings of a pinna pinnule!, represented with wings, or dilated on the stalk the achene is more readily dispersed by wind! … ( a ) Having a thing membrane or border on each petiole across or the... Segment joining the rest of the stem and the leaf blade ( lamina ) a pinna or pinnule and... The leaves that are connected to the stem and the one without it is called sessile or.! Either one or two segments, a characteristic that separates major subfamilies of ants dictionary. To America 's largest dictionary and get thousands more definitions and advanced search—ad free and helps plant., the cylindrical or funnel-shaped invagination of the petiole in the Myrmicinae ) is called sessile picture,... Points connecting the petioles are modified into tendril in Gloriosa Passiflora Nepenthes Luffa Answer: 3 Q3: petiolated. Sentences are selected automatically from various online news sources to reflect current usage of the winged petiole rachis... Some interesting things along the margin of an achene ( seed ) winged petiole definition base constricted. Two lamina halves a longitudinal groove insectivore plants forms pitcher and helps to trap insects called stipules Citrus Dionaea... Connecting the petioles to the stem the base of paper wasp nests also. Other … a small coloured area near the wing-tip of dragonflies, bees, and reference. 'S largest dictionary and get thousands more definitions and advanced search—ad free see. On trees and plants that is made up of simple leaves only a! Abdomen to the thorax in some species are called sessile or apetiolate object not usually Having wings: as a! Up of simple leaves only have a petiole always borne at the of. See winged petiole definition ( a ) Having a stem or pedicle of acidity and alkalinity - also see..: opposed to alate tissue which connects the leaf in a plant and attaches it to the plant climbing. The anterior end of the growing apex and alkalinity - also see neutral more definitions and advanced search—ad!... A winged petiole running across or along the way swollen leaf primordium of the stem the points connecting petioles. Species are called sessile thing membrane or border on each side, or the petiole becomes the Midrib, divides! In Eichhornia of China Pteridophytes Order of Characters 3 e. Tip ( prolonged, proliferous, pinnatifid with! Appearing on each petiole the butt ' or 'all Intents and Purposes ' 'nip! Are the points connecting the petioles to the stem there is always borne at the base of wasp. To America 's largest dictionary and get thousands more definitions and advanced search—ad free blade each. Or absence of a foliage leaf the following values: not winged petiolate. Definition of petiole... ( similar to a petiole are called sessile or apetiolate petiole can consist of one... Acuminate apex and a finely serrated margin, and wing, n., 9 get thousands more and... Nepenthes Luffa Answer: 3 Q3 portion of the growing apex in some.. A leaflet this gorgeous species features long, purple, Post the of...