Ontario Wildflowers website

Mystery Plant #90009

Added: 2011-01-01

A large thistle, in the Saugeen Valley Canservation Authority Headquarters trails, near the sulphur springs.

Suggestions
This is Cirsium muticum (Swamp Thistle). It is native to North America, including Ontario, Canada.(JH, MO)

 
  
 

Mystery Plant #90009

The plant as it grows up, at the end of May 2010. The plants got quite tall, about 5-6 feet.

Mystery Plant #90009

The flower head, at the end of June (2010).

Mystery Plant #90009

Typical leaf.

Mystery Plant #90009

Closeup view of the stem.

Mystery Plant #90009

Leaves at the top of the stem, at the end of May.

Mystery Plant #90009

Closeup view of the lower stem.

Mystery Plant #90009

Flower and flower bud.

Mystery Plant #90009