Sunflower pollen, SEM

Sunflower pollen, SEM

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Credit: A. DOWSETT, PUBLIC HEALTH ENGLAND/SCIENCE PHOTO LIBRARY

Caption: Sunflower pollen. Coloured scanning electron micrograph (SEM) of pollen grains of the sunflower (Helianthus annuus). The outer wall (exine) of each pollen grain has a spiky structure, which may serve to adhere the pollen to insect pollinators. The pollen carries the male genetic information of the plant. Magnification unknown.

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Keywords: botany, coloured, exine, flower, flowering plant, gamete, gametes, grain, grains, hayfever, helianthus annuus, male, nature, pair, plant, plants, pollen, reproduction, reproductive, scanning electron micrograph, sem, spike, spikes, spiky, sunflower, two

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