Burdock is an invasive plant native to Eurasia, brought to North America by seed burrs stuck to animals. This biennial has clusters of round burrs after it flowers during its second year of growth.

The robust burdock as seen now in late summer. The plant was taller than I am and among its many leaves and branches, it held lots of burs. Above these hooked and bristly bracts were roundish ...

Alongside all the beauty of a hike through the woods comes the added hassle of having to remove all those spiky seeds from ...

Try crushing a burr-head in your hand and see numerous dark brown seeds within its bristly depths. If you take a close look at a burdock burr you'll see each little spiked facet ends in a small ...

Even the seeds have a claim to fame. If you’ve ever collected burdock burrs on your socks after a stroll in the woods, it may not surprise you to learn that these burrs were the very ...

For anyone unfamiliar with these unwelcome travelers, burrs are the spiky ripe fruit of any of a number of plants, most commonly the Burdock. The burrs are a dispersal strategy used by the plant ...

and burdock is Arctium. The trouble really starts when outdoor enthusiasts and wildlife get too close, causing severe frustration and even death — birds that become entangled in the burrs can ...

One of the boys in a class with which I was studying hooked fruits happened, after pulling to pieces a burdock burr, to lean his cheek on his hand: within a few minutes he complained of intense ...