Plants › Sunflowers, Daisies, Asters, and Allies

diffuse knapweed

Centaurea diffusa

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in British Columbia.January 65, February 60, March 93, April 109, May 168, June 147, July 233, August 168, September 91, October 72, November 58, December 59.
United States4,180
Canada1,911
British Columbia1,636
Colorado1,090
Alaska887
Russia857
Idaho784
Alberta713
Washington684
Oregon678

Counts show where people looked, not only where it lives.

Traits

Group and habits

  • Forb or herb growth formListed by a harvested source as having a forb or herbaceous growth form.USDA PLANTS Characteristics
  • Annual plantListed by a harvested source as having an annual life duration.USDA PLANTS Characteristics
  • Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics
  • Pollinator-associated plantDescends from a plant lineage commonly associated with pollinators.Inferred from its group

Classification

KingdomPlants · Plantae
PhylumVascular Plants · Tracheophyta
ClassDicots · Magnoliopsida
OrderSunflowers, Bellflowers, Fanflowers, and Allies · Asterales
FamilySunflowers, Daisies, Asters, and Allies · Asteraceae
Genusknapweeds · Centaurea

Study it in a deck

Or build your own from the species near you.

Sources

Remember the name next time.

Practise diffuse knapweed with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.