beggar-ticks

• 指鬼针草属（Bidens）植物，开黄花，结有带倒刺的果实，容易粘附在衣物和动物皮毛上；也指这种植物的种子或果实。

A noun referring to the seed of bur marigolds, or to any of several plants of the genus Bidens that produce yellow flowers and prickly fruits which cling to fur and clothing.

1. Seed of bur marigoldsC1formal

   The small, barbed seed of plants in the genus Bidens, known for clinging to fur or clothing.

   鬼针草种子

   • The hiker's socks were covered in beggar-ticks after walking through the field.
   • Beggars-ticks are notorious for sticking to animal fur.
   • She spent an hour removing beggar-ticks from her dog's coat.

2. Plants of the genus BidensC1formal

   Any of several plants in the genus Bidens, characterized by yellow flowers and barbed fruits that attach to passing animals or people.

   鬼针草

   • The garden was overrun with beggar-ticks after the rainy season.
   • Beggars-ticks are often considered a nuisance weed by farmers.
   • The yellow blooms of beggar-ticks attract many pollinators.

   同义词tickseed