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pollination:onlinepollendatabase:b7860877-daisy_pollen_sem.jpg

    Title:
    Daisy pollen, SEM
    Date:
    2023/09/13 09:02
    Filename:
    b7860877-daisy_pollen_sem.jpg
    Caption:
    ^BDaisy pollen grains.^b Coloured scanning electron micrograph (SEM) of pollen grains from the daisy flower (family Asteraceae). The grains have a spiked outer wall (exine), which may assist in their dispersal by improving their adherence to pollinating insects. The characteristic surface of pollen grains is used by botanists to recognise and classify plants. Each pollen grain contains a male gamete (reproductive cell) that is intended to fertilise an egg or ovule (female gamete), and initiate the formation of a seed for a new plant.
    Photographer:
    Science Photo Library
    Copyright:
    PHILIPPE PSAILA/SCIENCE PHOTO LIBRARY
    Format:
    JPEG
    Size:
    156KB
    Width:
    800
    Height:
    611
    Keywords:
    grain, gamete, grains, gametes, scanning, electron, micrograph, nature, reproductive, botanical, biological, false-colour, sculpted, dispersal, exine, outer, wall, spike, spikes, spiked, compositae, asteraceae, daisy, reproduction, echinulate, false-coloured, POLLEN, BIOLOGY, BOTANY, SEM, COLOURED, SCANNING, ELECTRON, MICROSCOPE
    References for:
    Nothing was found.
    thymus_vulgaris_l.txt · Last modified: 2016/01/13 17:48 by 127.0.0.1