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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/mtr188B

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Other common names: Meadow Knapweed
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: Mon River Trail
Date:  7/27/2014
Notes: Hybrid of brown and black knapweeds.
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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.

The Herbalist