An annual weed(Sinapis arvensis)in the mustard family, native to Eurasia and naturalized in North America, having racemes of yellow flowers and hairy stems and foliage.

• 田芥菜十字花科中一种一年生的植物（田野白芥属），原生长于欧亚大陆，后被移植到北美洲，有开黄花的总状花序和带绒毛的茎和叶