Mallow pollen, SEM

Mallow pollen, SEM

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Credit: SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY

Caption: Mallow pollen. Coloured scanning electron micrograph (SEM) of mallow (Malva sp.) pollen grains on a pistil. The grains have a spiked outer wall (exine), which may assist in their dispersal by improving their adherence to pollinating insects. 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. Pistils hold a plant's female reproductive structures.

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Keywords: biological, biology, botanical, botany, coloured, exine, false-coloured, fertilisation, fertilise, gamete, grain, grains, mallow, malva sp., nature, outer wall, pistil, plant, plants, pollen, pollination, reproduction, reproductive, scanning electron micrograph, scanning electron microscope, sem, spike, spiked, spikes, spiky

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