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Horsetail spore, SEM
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Horsetail spore, SEM
Horsetail spore. Coloured scanning electron micrograph (SEM) of a spore of a horsetail (Equisetum arvense) plant. Spores (round) bear elaters (helical), which expand and contract with changes in humidity. Elaters help to tangle spores together into a clump called a propagule, and to dig the spores into the soil. Magnification: x370 when printed 10 centimetres wide
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Media ID 9195099
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Dispersal Elater Elaters Equisetopsida Equisetum Arvense Fern Horsetail Pteridophyta Pteridophyte Pteridophytes Reproduction Reproductive Spore Cutouts
EDITORS COMMENTS
This print showcases the intricate beauty of a horsetail spore, captured using a scanning electron microscope (SEM). The round spores are adorned with helical elaters that possess an extraordinary ability to expand and contract in response to changes in humidity. These remarkable elaters play a crucial role in the life cycle of the horsetail plant. In nature, these spores clump together into propagules, forming clusters that aid in their dispersal. Additionally, the elaters assist in burying the spores deep into the soil, ensuring favorable conditions for germination and growth. This image offers us a glimpse into the fascinating world of botany and reproductive biology. The vibrant colors used to enhance this SEM image bring out its aesthetic appeal while highlighting key features for scientific study. With a magnification level of x370 when printed at 10 centimeters wide, every minute detail is brought to life. Horsetails belong to the family Equisetaceae within Pteridophyta - a group of plants known as pteridophytes or ferns. By capturing this single horsetail spore on camera, Science Photo Library provides us with an opportunity to appreciate both its biological significance and artistic allure.
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