Himalayan balsam seed dispersal
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Himalayan balsam seed dispersal
Himalayan balsam (Impatiens glandulifera) seed dispersal. High-speed photograph capturing the explosive seed dispersal of the Himalayan balsam. The fruit wall (seed case, upper left) is made up of five segments. The cells making up these segments are full of water at a high pressure (turgor-pressure). There are weaknesses between the segments so the slightest vibration causes the segments to separate violently, thus exploding and releasing the seeds across several metres
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Media ID 6311485
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Dispersal Dispersing Exploding Explosive Fruit High Speed Photography Himalayan Balsam Impatiens Glandulifera Part Parts Policemans Helmet Re Production Reproductive Structure S Eed Seed Dispersed Seed Case
EDITORS COMMENTS
This high-speed photograph captures the mesmerizing moment of Himalayan balsam seed dispersal. The explosive nature of this process is beautifully frozen in time, showcasing the intricate details of this botanical phenomenon. The fruit wall, located in the upper left corner of the image, consists of five distinct segments that encase the seeds. These segments are filled with water at an incredibly high pressure known as turgor-pressure. However, there are inherent weaknesses between these segments which make them susceptible to separation upon even the slightest vibration. In a truly awe-inspiring display, any disturbance causes these segments to violently separate from each other, resulting in a powerful explosion that propels the seeds across several meters. This remarkable mechanism ensures widespread dispersal and colonization for Himalayan balsam plants. The photograph not only highlights the biological intricacies involved in angiosperm reproduction but also showcases nature's ingenuity when it comes to ensuring survival and propagation. With its vibrant colors and intricate structures, this print serves as a testament to both the beauty and complexity found within our natural world. It invites viewers into a microscopic realm where every detail plays a crucial role in sustaining life on Earth. Captured by Science Photo Library, this stunning image offers us a glimpse into one small yet extraordinary aspect of plant biology - reminding us once again of nature's endless wonders.
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