bur marigold

1. Common bur marigold of the eastern United States.
   美国东部的一种普通鬼针草属植物。
2. North American bur marigold with large flowers.
   北美的一种鬼针草属植物，花大。

noun

1. any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing

   Synonym:    burr marigoldbeggar-ticksbeggar's-tickssticktight