[Knapweeds: The Genus Centaurea in Mt. Adams Country]

Hybrid Knapweed, Meadow Knapweed, Protean Knapweed

Centaurea x gerstlaueri

Synonyms: Centaurea debeauxii ssp. thuillieri, Centaurea ×moncktonii, Centaurea nigra× Centaurea jacea, Centaurea pratensis

Hybrid Knapweed, Meadow Knapweed, Protean Knapweed: Centaurea X gerstlaueri (Synonyms: Centaurea debeauxii ssp. thuillieri, Centaurea ×moncktonii, Centaurea nigra× Centaurea jacea, Centaurea pratensis)

The photo above shows a close-up view of a flower head of meadow knapweed as seen along Kreps Lane, Conboy National Wildlife Refuge........June 18, 2006.

Involucral bracts of Hybrid Knapweed, Meadow Knapweed, Protean Knapweed: Centaurea X gerstlaueri (Synonyms: Centaurea debeauxii ssp. thuillieri, Centaurea ×moncktonii, Centaurea nigra× Centaurea jacea, Centaurea pratensis)

The photo above shows a a close-up sideview of the involucral bracts of meadow knapweed as seen along Kreps Lane at Conboy NWR.........June 18, 2006.

Flower head of Hybrid Knapweed, Meadow Knapweed, Protean Knapweed: Centaurea X gerstlaueri (Synonyms: Centaurea debeauxii ssp. thuillieri, Centaurea ×moncktonii, Centaurea nigra× Centaurea jacea, Centaurea pratensis)

The flowerhead of meadow knapweed as seen along Kreps Lane, Conboy Lake NWR..........September 22, 2007.

Paul Slichter