Canada Cockleburr (Xanthium strumarium var. canadense (P. Mill.) Torr. & Gray)

Asteraceae (Aster Family)

USDA Native Status: Native to U.S.

Photographic Location: Cumberland Mountain State Park, TN

A cocklebur was the inspiration for a Swiss engineer, George deMastral, in 1948, for the invention of Velcro. He examined the burs that stuck to his socks and discovered that they consisted of hundreds of tiny hooks, which attached themselves to anything loopy.

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