Centaurea nigra L.
 
Black Knapweed
 
 
Description:
 
  - 20-80 cm 
  tall many branched and woody
 
  - Leaves 
  lobed in various ways
 
  - Wide 
  rose-purple flowers located at the ends of branches
 
  - Most 
  common knapweed in Nova Scotia
 
 
 
Habitat:
 
  - Along 
  roadsides
 
  - Waste 
  ground
 
  - Old fields 
  and pastures
 
 
 
Distribution: