plant structure

Definitions of plant structure
  1. noun
    any part of a plant or fungus
    synonyms: plant part
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    stub
    a short piece remaining on a trunk or stem where a branch is lost
    button
    any of various plant parts that resemble buttons
    thallus
    a plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes
    cap, pileus
    a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom
    calyptra
    the hood or cap covering the calyx of certain plants: e.g., the California poppy
    volva
    cuplike structure around the base of the stalk of certain fungi
    domatium
    a part of a plant (e.g., a leaf) that has been modified to provide protection for insects or mites or fungi
    pycnidium
    flask-shaped asexual structure containing conidia
    stipule
    a small leafy outgrowth at the base of a leaf or its stalk; usually occurring in pairs and soon shed
    tepal
    an undifferentiated part of a perianth that cannot be distinguished as a sepal or a petal (as in lilies and tulips)
    gynostegium
    the crown of the stamen in plants of the genus Asclepias
    chalaza
    basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined
    nucellus
    central part of a plant ovule; contains the embryo sac
    germ tube
    (botany) a slender tubular outgrowth from a spore in germination
    pollen tube
    (botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule
    mentum
    a projection like a chin formed by the sepals and base of the column in some orchids
    corona
    (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
    lip
    (botany) either of the two parts of a bilabiate corolla or calyx
    mycelium
    the vegetative part of a fungus consisting of a mass of branching threadlike hyphae
    plant organ
    a functional and structural unit of a plant or fungus
    aril
    fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed
    duct
    a continuous tube formed by a row of elongated cells lacking intervening end walls
    veil, velum
    a membranous covering attached to the immature fruiting body of certain mushrooms
    annulus, skirt
    (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
    plant tissue
    the tissue of a plant
    tendril
    slender stem-like structure by which some twining plants attach themselves to an object for support
    stump, tree stump
    the base part of a tree that remains standing after the tree has been felled
    prophyll
    a plant structure resembling a leaf
    stock
    a plant or stem onto which a graft is made; especially a plant grown specifically to provide the root part of grafted plants
    receptacle
    enlarged tip of a stem that bears the floral parts
    kernel, meat
    the inner and usually edible part of a seed or grain or nut or fruit stone
    lobe
    (botany) a part into which a leaf is divided
    ligule
    (botany) any appendage to a plant that is shaped like a strap
    interstitial tissue
    tissue between the cells of a structure or part in plant or animal
    fibrous tissue
    tissue consisting of or containing fibers in both animals and plants
    cortex
    the tissue forming the outer layer of an organ or structure in plant or animal
    medulla
    the inner part of an organ or structure in plant or animal
    crustose thallus
    thin crusty lichen thallus; adheres closely to or is embedded in the surface on which it grows
    reproductive structure
    the parts of a plant involved in its reproduction
    gynobase
    the enlarged receptacle in which the pistil is borne
    septum
    a partition or wall especially in an ovary
    honey gland, nectary
    a gland (often a protuberance or depression) that secretes nectar
    perisperm
    the nutritive tissue outside the sac containing the embryo in some seeds
    archegonium
    a female sex organ occurring in mosses, ferns, and most gymnosperms
    calyx tube, floral cup, hypanthium
    the cuplike or ringlike or tubular structure of a flower which bears the sepals and stamens and calyx (as in Rosaceae)
    chlamys, floral envelope, perianth, perigone, perigonium
    collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils
    magic mushroom, mescal button, sacred mushroom
    the button-shaped top of the mescal cactus; a source of psilocybin
    cup
    cup-shaped plant organ
    stroma
    the dense colorless framework of a chloroplast
    stroma
    a mass of fungal tissue that has spore-bearing structures embedded in it or on it
    hypobasidium
    special cell constituting the base of the basidium in various fungi especially of the order Tremellales
    galea
    an organ shaped like a helmet; usually a vaulted and enlarged petal as in Aconitum
    gill, lamella
    any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus
    sclerotium
    compact usually dark-colored mass of hardened mycelium constituting a vegetative food-storage body in various true fungi; detaches when mature and can give rise to new growth
    fruiting body
    an organ specialized for producing spores
    laticifer
    a plant duct containing latex
    universal veil
    membrane initially completely investing the young sporophore of various mushrooms that is ruptured by growth; represented in the mature mushroom by a volva around lower part of stem and scales on upper surface of the cap
    partial veil
    membrane of the young sporophore of various mushrooms extending from the margin of the cap to the stem and is ruptured by growth; represented in mature mushroom by an annulus around the stem and sometimes a cortina on the margin of the cap
    flesh, pulp
    a soft moist part of a fruit
    pith
    soft spongelike central cylinder of the stems of most flowering plants
    parenchyma
    the primary tissue of higher plants composed of thin-walled cells that remain capable of cell division even when mature; constitutes the greater part of leaves, roots, the pulp of fruits, and the pith of stems
    lignum
    woody tissue
    vascular tissue
    tissue that conducts water and nutrients through the plant body in higher plants
    pseudophloem
    false phloem
    gall
    abnormal swelling of plant tissue caused by insects or microorganisms or injury
    cirrhus, cirrus
    usually coiled
    stool
    (forestry) the stump of a tree that has been felled or headed for the production of saplings
    root
    (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
    root cap
    thimble-shaped mass of cells covering and protecting the growing tip of a root
    root hair
    thin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil
    rootstock
    root or part of a root used for plant propagation; especially that part of a grafted plant that supplies the roots
    offset, runner, stolon
    a horizontal branch from the base of plant that produces new plants from buds at its tips
    stalk, stem
    a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
    meristem
    undifferentiated tissue from which new cells are formed, as at the tip of a stem or root
    capitulum, head
    a dense cluster of flowers or foliage
    foliage, leaf, leafage
    the main organ of photosynthesis and transpiration in higher plants
    sprout
    any new growth of a plant such as a new branch or a bud
    type of:
    natural object
    an object occurring naturally; not made by man
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