Tall European annual with downy gray-green foliage and dense heads of small white flowers followed by hairy pods; naturalized in North America,sometimes a troublesome weed.

• 高大的欧洲一年生植物，叶多毛，呈灰绿色，具有浓密的白色小花序，继之是多毛的荚，广泛移植于北美。