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). 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. In zoology: Wingless; having no wings: applied both to wingless insects belonging to winged groups, and to the wingless stage of winged insects. Other … In Australian Acacia (Fig. pH: A measure of acidity and alkalinity - also see neutral. (i) The leaf is a lateral dissimilar appendage of the stem. ( wiŋ) noun. E. Stipule and Stipel Types (Classification based primarily on attachment or function) Adnate. Delivered to your inbox! With stipules attached near base of petiole. The leaf in insectivore plants forms pitcher and helps to trap insects. Definition of petiole. Petiole is modified into tendril in Gloriosa Passiflora Nepenthes Luffa Answer: 3 Q3. The petiole is the small thin stalk that is attached to the stem and the leaf blade (lamina). petiolate in AZ Dictionary (a) Having a petiole. A small coloured area near the wing-tip of dragonflies, bees, and various other clear-winged insects: also called the pterostigma. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. A pH of 7.0 is neutral. In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and wasps in the suborder Apocrita. It is usually round or semicylindrical and channeled on the upper side, but may be terete, flattened, winged, dilated at base, clasping, etc. Winged Petiole: With flattened blade-like margins. Leaf MCQ (Multiple Choice Questions and Answers) Q1. Foliage on trees and plants that is made up of simple leaves only have a single blade growing on the stalk. 1. the stalk by which a leaf is attached to the rest of the plant . Definition of petiole in the Definitions.net dictionary. pH A measure of acidity or alkalinity. The leaf is the banana plant's main photosynthetic organ. Definition of Petiolule. 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. 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'). Noting an object not usually having wings: as, a winged column. ¹ Source: wiktionary.com. With stipule attached to petiole. longis, with petioles glabrous winged 10 cm. (09 Oct 1997) Lexicographical Neighbors of … Petiolate definition, having a petiole or peduncle. (vii) A leaf has three main parts – Leaf base, petiole and leaf lamina. Wichtigste Übersetzungen: Englisch: Deutsch: winged adj adjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house." 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. The stalk portion of a leaflet. Test Your Knowledge - and learn some interesting things along the way. Potentilla indica showing trifoliate leaves. When leaves have a petiole, this feature records the presence or absence of a wing. The normal leaf which is pinnately compound in … The petiole can consist of either one or two segments, a characteristic that separates major subfamilies of ants. Flora of China Pteridophytes Order of Characters 3 E. Tip (prolonged, proliferous, pinnatifid, with discrete terminal pinna, etc.) The winged petiole and trifoliate leaf of Crescentia alata resembles a crucifixion cross, so is sometimes planted in the Philippines as a religious symbol. 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. We call the leaves that are connected to the stem through a simple petiole petiolates. Basal. Add a definition to this term. The petiole becomes the midrib, which divides the blade into two lamina halves. Without petiole or petiolule. Many flowering plants have additionally a pair of small stipules near the base of the petiole. The petiole is occasionally called a pedicel, but in entomology, that term is more correctly reserved for the second segment of the antenna; while in arachnology, 'pedicel' is the accepted term to define the constriction between the cephalothorax and abdomen of spiders. Information and translations of petiole in the most comprehensive dictionary definitions … Petiole: Leaf stalk. Petiole: A leaf stalk. 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. 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. What made you want to look up petiole? The leaf in insectivore plants forms pitcher and helps to trap insects. The petiole is a stalk that attaches a leaf to the plant stem. (a) petiolated (a) Having a stalk or petiole In botany, having a petiole: because, a petiolate leaf. Four leaves would be fused to a petiole … Phyllodial Petiole: Flattened and blade-like. long (Stearn). 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. 1 : a slender stem that supports the blade of a foliage leaf. As a result, the achene is more readily dispersed by the wind. Interpetiolar. The normal leaf which is pinnately compound in … Channelled or Canaliculate Petiole: With a longitudinal groove.
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