burweed
/ˈbɜrˌwid/
noun
- Any of several plants that produce burrs (prickly seed cases) that stick to clothing or animal fur.
- After walking through the field, my socks were covered in burweed.
- Burweed can be a nuisance for hikers because its burrs are hard to remove.
- The farmer sprayed herbicide to control the burweed in his pasture.