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Burdock fruits

This inspired the design of velcro. If you look at the periphery of each fruit you will see that the retrorse prickles that allow it to stick to the fur of mammals.

  

Please join me in my blog “Botany Without Borders: Where Design Meets Science”

 

botanywithoutborders.blogspot.com/

 

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Taken on April 12, 2008