noun

• A small mayweed with flowers that lack ray florets. When crushed, the leaves have a pineapple fragrance.

  Genus Matricaria, family Compositae: the European M. matricarioides and the North American M. discoidea

  ‘Pineapple Weed is a common plant in central and northern Illinois, but somewhat less common in the southern areas of the state.’

  More example sentences

  • ‘Pineapple Weed has since spread to northern and western Europe, where it is not native.’
  • ‘Pineapple weed is a problem in spinach and other vegetable crops.’