Describe the structure of ligule

Author: twzy

August undefined, 2024

WebA leaf with a pinnated pattern (like a feather) has a central vein running down the middle of the leaf with other veins branching off to either side of it. A leaf with a palmate pattern has veins branching out from a single one to form a shape resembling the palm of a hand. WebThe pistil (female structure) is composed of two carpels, which are united to form a compound ovary with a terminal style. There is usually a nectar-producing region (nectary) in the form of a minute ring surrounding the style atop the ovary. The ovary has only one locule (seed cavity), with a single ovule arising from the base.

Comparative Morphology of Ligules of Three Indian

Webis that ligule is in many grasses (Poaceae) and some sedges (Cyperaceae), the membranous appendage or ring of hairs projecting from the inner side of a leaf at the … WebThe ligule was a characteristic feature of the extinct giant lycophytes such as Lepidodendron. quillwort Isoetes species have a plant body that is relatively small, consisting of a short compact axis (corm) and tufts of … head is mandatory

Illustration of barley leaf characteristics (A) Structure of a …

Webthe ligule but a portion of whitish collar can be seen at the edge of the fold. ... The following review of grass plants is intended to describe the functions of various plant parts that will be important in studying grass growth and regrowth. ... seedlings emerge from the soil with only one leaf-like structure (Fig. 3, germination and ... WebJun 28, 2008 · Great variety in ligule abaxial surface anatomy was found but internally all ligules so studied possess a tripartite structure of two uniseriate epidermes enclosing a … WebJan 15, 2013 · The ligule is an adaxial structure found at the blade-sheath boundary of most grass leaves. The main function of a ligule is to repel water from entering the space between the leaf sheath and stem, where axillary buds form. ... Here, we describe the characterization and cloning of the semi-dominant Liguleless narrow-Reference (Lgn-R) … gold medal flour cookbook 1917

Structure and Function in the Grass Ligule: - JSTOR

Structure and function in the ligule of - Springer

WebAug 24, 2024 · Ligules are classified, predominantly, on their position and morphology, which are still without a consensus as to their nature and diversity in an evolutionary context in Poaceae. WebDownload scientific diagram Illustration of barley leaf characteristics (A) Structure of a barley leaf, comprised of the sheath and blade, the ligule and auricles; the insertion angle at the ... gold medal flour historyWebligule ( ˈlɪɡjuːl) or ligula n 1. (Botany) a membranous outgrowth at the junction between the leaf blade and sheath in many grasses and sedges 2. (Botany) a strap-shaped corolla, such as that of a ray floret in the daisy [C19: via French, from Latin ligula strap, variant of lingula, from lingua tongue] head is measured in

"WebJun 28, 2008 · These authors have proposed three distinct definitions for ligules: (1) a subtype of stipule (Bischoff 1834;Regel 1843;Lubbock 1891Lubbock , 1895Arber 1925); … " - Describe the structure of ligule

Describe the structure of ligule

Grass Structures - Grass Growth and Regrowth for Improved ...

WebJul 1, 1983 · The structure of the abaxial epidermis of the ligule of rice ( Oryza sativa L.) as seen in the light and scanning electron microscope is described. Long cells, silica cells, cork cells, prickle ... WebAug 23, 2010 · The ligule is a membranous structure present on the adaxial leaf surface at its junction with the stem (Singh et al., 2010). This feature dates back to the middle Devonian homosporous lycopsids, e ...

Did you know?

WebJan 1, 2013 · Many key recognizing characters are present in the collar region, the junction of the leaf blade and leaf sheath, where the ligule resides. The paper aims to determine the type, shape, structure ... Webpoint of view of structure–function relationships are the membranous ligules, particularly those of the genus Lolium (Chaﬀey, 1983b, 1985a,b,c,d, 1994, 1995, 1996), and this …

WebAug 16, 2024 · The ligular region, between the maize blade and sheath, consists of the ligule and auricle and establishes leaf angle, which determines the plant’s overall architecture.Mutant studies in maize have identified genes essential for development of the ligular region (9–13).lg1 and lg2 mutants exhibit erect leaf architecture because of … The ligule is part of the leaf that is found at the junction of the blade and sheath of the leaf. It may take several forms, but it is commonly some form of translucent membrane or a fringe of hairs. The membranous ligule can be very short 1–2 mm (Kentucky bluegrass, Poa pratensis) to very long 10–20 mm (Johnson grass, Sorghum halepense), it can also be smooth on the edge or ve…

WebAug 14, 2024 · A prominent structure at the blade–sheath boundary of most grasses is the ligule, a flap of tissue that extends laterally from the adaxial surface. Ligule morphology varies across taxa, from membranous, to ciliate, to vascularized structures, and can range in size from reduced (a couple of millimeters) to extended (several centimeters ... WebAug 24, 2024 · The term ligule means “small tongue” (Palisot de Beauvois, 1812 ), a structure that is present at the base of the leaf in several plant groups such as …

WebThe maize ligule is an adaxial membranous structure on the leaf that develops at the boundary of the sheath and blade. The ligule and the associated auricle are dispensable structures, amenable to genetic manipulation. We present here a genetic analysis of liguleless1 (lg1) and liguleless2 (lg2), the two genes known to be uniquely necessary for ...

WebInflorescence – The entire reproductive structure of a grass, sedge, or rush is called the inflorescence. Ligule – The ligule is where the blade and the sheath meet. The ligule … head is not a branch or tagWebLigules are tiny appendages on the upper (adaxial) side of the leaf (both vegetative and reproductive), near the leaf base ( Figures 4.16, 4.18D,H, 4.19D ). The function of … gold medal flour cinnamon roll recipeWebThese observations suggest that common mechanisms are utilized to initiate leaves and branches are redeployed to regulate ligule and auricle development from leaf primordia. A major step in understanding morphogenesis of these structures requires knowing when and how the auricle forms relative to the ligule. gold medal flour nutrition factsWebAsteraceae. In Asteraceae: Flowers. …one kind of flower, the ligulate flower. Ligulate flowers superficially resemble the ray flowers of radiate heads in having a corolla that is tubular at the base and prolonged on the outer side into a flat, strap-shaped ligule. They differ from ray flowers in that they are perfect (bisexual) and…. Read More. head island boys lyricsWebAug 8, 2006 · They are described in detail, emphasizing interspecific differences and habitat-dependent variation of shape, length and prickle hair density. All ligules studied are membranous, without veins and... gold medal flour jingle lyricsWebligule leaf structure Learn about this topic in these articles: lycophytes In lycophyte: Form and function …a leaf; this is the ligule, a peculiar tonguelike outgrowth from the leaf surface near the leaf base. Leaves of Lycopodium and Selaginella can be differentiated on this … gold medal flour cookbook 1910WebJun 28, 2008 · Structure and function in the grass ligule: mitochrondria and microfaodies in the ligule of Lolium temulentum L., an ultrastructural and cytochemical study. Journal of Experimental Botany. 36: head is mounted