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Canada Thistle

Cirsium arvense

Note the unarmed and ridged stem, the heavily armed leaves and prominent bracts. Our most common thistle, it spreads by seed and roots deep underground. The buds without florets are male, producing no seeds.

  • Colour: pink
  • Habitat: meadows
  • Flower Size: 12-16 mm
  • Flower Time: Jul-Sep
  • Seed Matures: Aug-
  • Seed Colour: brown
  • Height: 60 - 150 cm
  • Image Location: universal
  • Flower Form: cluster
  • Availability: common

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