What is another word for greater knapweed?
Pronunciation: [ɡɹˈe͡ɪtə nˈapwiːd] (IPA) 
The Greater Knapweed, also known as the brown button, is a flowering plant that belongs to the daisy family. There are several synonyms for the term "greater knapweed", including hardheads, black knapweed, and Centaurea nigra. The plant is native to Europe and is commonly grown in gardens and flowerbeds due to its attractive purple and pink blooms. The greater knapweed is also known for its medicinal properties, as it has been used to treat various ailments, including headaches, stomach upsets, and fevers. In addition, the plant serves as an essential source of food and habitat for various pollinators, such as bees and butterflies.
