Centaurea nigrescens (Tyrol knapweed, short-fringed knapweed or Tyrol thistle) is a perennial plant of the star thistle genus that grows natively in Central and South-eastern Europe (from Southern Germany and Northern Italy to Romania and Bulgaria), but has also been introduced and is now a noxious weed in the Northern United States, Canada and Southern Australia. It has purple flowers and it flowers in the summer (June to September).
Skriv inn et symptom eller en sykdom og les om urter som kan hjelpe, skriv en urt og se sykdommer og symptomer den brukes mot.
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