1. Any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing
   "The hiker's socks were covered in burr marigold after walking through the field";
   - bur marigold, beggar-ticks, beggar's-ticks, sticktight, stickseed

Derived forms: burr marigolds

Type of: subshrub, suffrutex

Part of: Bidens, genus Bidens

Encyclopedia: Burr marigold