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Bindweed pollen grains, SEM
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Bindweed pollen grains, SEM
Pollen grains. Coloured scanning electron micrograph (SEM) of bindweed (Calystegia sepium) pollen grains (blue). There is great variation in the size, shape and surface texture of pollen. The often highly-sculpted outer wall (exine) may help in pollen dispersal. Each pollen grain supplies a male gamete (male sex cell) that can fertilise the female gamete in an ovule that will develop into a plant seed. Magnification: x580 at 6x7cm size
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Media ID 9194581
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Allergen Allergy Exine False Gamete Gametes Grain Grains Hayfever Hedge Plants Pollen Reproduction Reproductive Sculpted Sculpting Sexual Vine Wall Weed Bind Bindweed Calystegia Sepium Cells
EDITORS COMMENTS
This print showcases the intricate beauty of bindweed pollen grains. Under the scanning electron microscope, these blue-hued grains reveal a stunning array of size, shape, and surface texture variations. The outer wall of each grain, known as the exine, is often exquisitely sculpted, possibly aiding in their dispersal. These pollen grains play a crucial role in plant reproduction by supplying male gametes that can fertilize female gametes within ovules. This union ultimately leads to the development of plant seeds. It's fascinating to observe how such minuscule structures hold immense power in shaping our natural world. The image's magnification at 580x allows us to appreciate every intricate detail while maintaining an overall view of this botanical wonder measuring 6x7cm. Bindweed itself is commonly considered a weed due to its invasive nature and ability to thrive in various environments. While this photograph offers insight into the reproductive mechanisms of plants, it also serves as a reminder that even seemingly insignificant elements like pollen grains contribute significantly to our ecosystem's balance. Moreover, for those with allergies or hay fever sensitivities, bindweed pollen may be recognized as an allergen responsible for seasonal discomfort. Science Photo Library has once again captured nature's marvels through their lens and provided us with an opportunity to delve deeper into the wonders hidden within our surroundings.
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