Daisy seeds, SEM

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Daisy seeds, SEM

Daisy seeds. Coloured scanning electron micrograph (SEM) of two seeds of a daisy plant (family Asteraceae, formerly Compositae). The seeds (bottom) are known as cypselas. The cypsela contains the embryo (fertilized ovum), that will germinate into a new plant. Around the edge of each cypsela is a fringe of feathery hairs known as the pappus. The function of the pappus is to aid seed dispersal by providing an increased surface area to the wind

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

Media ID 6289171

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Asteraceae Coloured Sem Compositae Composite Disc Floret Florets Inflorescence Pappus Part Parts Re Production Reproductive Seed Vertical

EDITORS COMMENTS
This print showcases the intricate beauty of daisy seeds, revealing their hidden wonders through a coloured scanning electron micrograph (SEM). Belonging to the family Asteraceae, formerly known as Compositae, these two cypselas represent the potential for new life. Within each cypsela lies an embryo, a fertilized ovum eagerly awaiting germination to give rise to a vibrant new daisy plant. What makes these seeds even more fascinating is the fringe of feathery hairs encircling their edges, aptly named pappus. The purpose of this delicate structure is seed dispersal; it acts as nature's ingenious mechanism by providing an increased surface area for wind-assisted distribution. As gusts carry them away from their parent plant, these tiny marvels embark on journeys that will shape landscapes and contribute to biodiversity. Through this vertical composition captured by scanning electron microscopy, we gain insight into the reproductive part of composite plants like daisies. This image not only celebrates the intricacy and elegance found in nature but also highlights its remarkable adaptability and survival strategies. Science Photo Library has once again provided us with a visual masterpiece that invites contemplation about our natural world's complexity and resilience. Let this mesmerizing print serve as a reminder of how even something as seemingly simple as a daisy seed holds within it boundless potential for growth and renewal.

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