Centaurea cyanus L.
Coefficient of Conservatism: *
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Ad A-Forb

A slender tap-rooted annual, originally native in the Mediterranean region and widely cultivated, sometimes escaping to roadsides, fields, shores, cultivated ground, dumps, and other disturbed places. First collected in 1894 in Wayne Co.

Normally a bright blue, cultivars with pink and white flowers are known. An older Farwell collection from Houghton Co. is white flowered, cv Alba.


Baraga County
Cheboygan County
Gladwin County
Houghton County
Ingham County
Isabella County
Kalamazoo County
Keweenaw County
Leelanau County
Lenawee County
Marquette County
Menominee County
Muskegon County
Otsego County
Washtenaw County
Wayne County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. May 18, 2022. https://michiganflora.net/species.aspx?id=269.