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Tyrol knapweed
Scientific Name: Centaurea nigrescens
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Tyrol Knapweed: An Overview
This page provides information about Centaurea nigrescens, commonly known as Tyrol knapweed, short-fringed knapweed, or Tyrol thistle. It is also sometimes referred to as short-fringe starthistle or Vochin knapweed.
Considerations for Pets
- Knapweeds look a good deal like thistles, but without the thorny structures.
Considerations for Children
- Knapweeds look a good deal like thistles, but without the thorny structures.
Taxonomy and Nomenclature
- Scientific Name: Centaurea nigrescens Willd.
- Family: Asteraceae (Sunflower Family)
- Synonyms:
- Centaurea dubia
- Centaurea dubia subsp. nigrescens
- Centaurea dubia subsp. vochinensis
- Centaurea debeauxii ssp. thuillieri
- Centaurea jacea subsp. nigrescens
- Centaurea transalpina
Distribution and Habitat
- Native to South Central and Eastern Europe, Turkey, and Central and Southeastern Europe.
- Reported as invasive in some areas, including New York State in the US.
Ecological Role
- Considered a noxious weed in the Northern United States.
- Identified as an invasive plant in North America.
- Can invade fields and other habitats.
Morphological Characteristics
- Perennial plant.
- Erect, branched stems that can grow up to 1.0 m tall.
- Reddish-purple flowers (light purple blooms)
- Lanceolate leaves.
- Forb/herb: A non-woody plant that is not a grass.
Further Information
- Alexander Mrkvicka, Botanik im Bild: http://flora.nhm-wien.ac.at
- Discover Life: Biology, natural history, ecology, identification and distribution of Centaurea nigrescens
- Dave's Garden: A community sharing tips and ideas for gardens, along with seeds and plants.