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

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