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Daisy flower, SEM

Daisy flower, SEM


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Daisy flower, SEM

Daisy flower. Coloured scanning electron micrograph (SEM) of a daisy flower with some florets removed. Daisy plants (family Asteraceae, formerly Compositae) have composite flowers comprising a central area of tubular disc florets (not seen) surrounded by larger ray florets (orange), which each have a single petal. During reproduction the disc florets are pollinated and form seeds known as cypselas (brown). The cypselas become detached from the daisy and are carried on the wind to new ground where they germinate. The small circular scars (right) show where each of the seeds was attached to the flower

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6289095

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Asteraceae Base Bases Compositae Composite Daisy Disc Floret Florets Horizontal Part Parts Petal Re Production Removed Reproductive S Eed Seed Shed Surface


EDITORS COMMENTS
This print showcases the intricate beauty of a daisy flower, captured through a coloured scanning electron micrograph (SEM). The image reveals the fascinating structure and nature of this familiar plant, belonging to the Asteraceae family. With some florets removed, we are presented with an extraordinary view of the composite flower's composition. At the center lies a cluster of tubular disc florets, unseen in this particular frame but crucial for reproduction. Surrounding these central florets are larger ray florets that boast vibrant orange hues. Each ray floret possesses a single petal, adding to the overall allure of this botanical marvel. The reproductive process is highlighted as well - pollinated disc florets develop into cypselas or seeds that take on a brown coloration. These cypselas eventually detach from their parent daisy and embark on new journeys carried by wind currents until they find fertile ground where they can germinate and grow anew. Notably, circular scars on one side indicate where each seed was once attached to its floral home. This SEM image provides us with an up-close exploration of various parts such as petals, bases, and other components that contribute to the overall splendor and complexity of daisies. Science Photo Library has masterfully captured this mesmerizing snapshot which beautifully merges artistry with scientific inquiry – offering viewers an opportunity to appreciate both the aesthetic appeal and biological wonders found within our natural world.

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