Also found in: Thesaurus, Encyclopedia, Wikipedia.
Switch to new thesaurus
|Noun||1.||plumed thistle - any of numerous biennial to perennial herbs with handsome purple or yellow or occasionally white flower heads|
thistle - any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves
Canada thistle, Cirsium arvense, creeping thistle - European thistle naturalized in United States and Canada where it is a pernicious weed