[Centaurys: The Genera Centaurium and Zeltnera West of the Cascade Mountains of Oregon and Washington]

Common centaury blooming on BayOcean Spit, western edge of Tillamook Bay, Oregon coast......July 6, 2020. The similar Zeltnera muhlenbergii has also been collected in that general area.

A close-up of the inflorescence of common centaury as seen in ditches along roads in the oak savannah to the north-northeast of Roseburg, OR.........June 24, 2005. Note that the flower pedicels are very short, one of the diagnostic characteristics of this species.