Ontario Weeds: Great burdock
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Excerpt from Publication 505, Ontario Weeds,
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Name: Great burdock, Arctium lappa L.
Other Names: grande bardane, Large burdock, bardane majeure, rapace, rhubarbe sauvage, toques
Family: Composite or Aster Family (Compositae)
General Description: Very similar to Common burdock, differing from it by having solid leafstalks in the lower part of the plant, larger flower heads (usually over 2.5cm., 1in. across) on longer stalks and arranged in flat-topped clusters rather than scattered along the stems.
Burdock, first-year rosette.
Burdock, second-year plant beginning to flower.
Habitat: Great burdock is found in a few localities in southern Ontario along roadsides, fence lines, waste places and river meadows.
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