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Warning! This is an
invasive plant, which has the potential to aggressivley crowd out native species. Learn
more about invasive plants!
Tyrol Knapweed (Centaurea nigrescens)
Image ID: 2014/mtr188L
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·leaf
Other common names: Meadow Knapweed
Invasive
Family:
Asteraceae (Sunflower)
Height: 1 to 4 ft.
Blooms: June to
August
Leaf Type:
smooth
Bloom Size: 1 in. (typical)
Flower Description:
Individual flowers,
Parts indistinct
Location: Montour Trail
Date: 7/27/2014
Notes:
Hybrid of brown and black knapweeds.
More photos of this flower
We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've
grown!
Meyer, Joseph E. (1918). The Herbalist and Herb Doctor. Hammond, Ind.: Indiana Herb Gardens. 400 pp.
