Can Cats EatRussian Knapweed?

Safe
Scientific Name:Centaurea repens
Family:Compositae
Toxic Principles:Unknown
Clinical Signs:"Chewing disease" - can chew but unable to swallow, dehydration, malnutrition, death
Note: even if labeled as safe, any food can potentially cause allergies. When introducing a new food, please feed a small amount and observe your cat for any allergic reactions.