Pumpkin pollen grains, SEM

Pumpkin pollen grains, SEM

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This image is part of the feature Pollen: a closer look


Caption: Pumpkin (Cucurbita pepo) pollen grains, scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants. The grain has a spiked outer wall (exine), which may assist in its dispersal by improving its adherence to pollinating insects.

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Keywords: biological, biology, black background, botanical, botany, coloured, cucurbita pepo, dispersal, exine, false-coloured, flora, gamete, grains, male, nature, outer wall, plant, plants, pollen, pollen grain, pumpkin, reproduction, reproductive, scanning electron micrograph, scanning electron microscope, sculpted, sem, spike, spiked, spikes

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