Burdock Seeds. This needle structure led to the invention of "Velcro."* In fact, if you take a close look at the tip of each needle, you can find that the tip shape resembles Velcro's hook. The pic was taken at Eloise Butler Wildflower & Bird Sanctuary, Minneapolis, MN, on October 15, 2006. See Burdock Seeds (Up Close)       日本語
 Explore America Info   photo    sy

* "Velcro" History (TIME) Swiss inventor, George de Mestral |
Velcro (Wikipedia)  ベルクロ
"Crystal, Thanks for the info."  She is a naturalist at Eloise Butler Wildflower & Bird Sanctuary

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