Bellflower pollen grains, SEM

Bellflower pollen grains, SEM

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Credit: MARTIN OEGGERLI/SCIENCE PHOTO LIBRARY

Caption: Bellflower pollen grains, scanning electron micrograph (SEM). This bellflower (family Campanulaceae) is endemic to the island of Mauritius. 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: bellflower, biological, biology, botanical, botany, coloured, dispersal, exine, false-coloured, family campanulaceae, flora, gamete, grains, male, nature, outer wall, plant, plants, pollen, pollen grain, reproduction, reproductive, scanning electron micrograph, scanning electron microscope, sculpted, sem, spike, spiked, spikes

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