Robert W. Freckmann Herbarium
University of Wisconsin - Stevens Point

Vascular Plants

Plants of Wisconsin

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  Centaurea cyanus L. image
Photographer: Emmet J. Judziewicz           

Botancial Illustration

Botancial Illustration

Kurt Stüber

Mark A. Wetter
Family Asteraceae
Centaurea cyanus L.
bachelor's-button, bluebottle, cornflower
Centaurea: ancient Greek plant-name, poetically associated with Chiron, the Centaur, but without wholly satisfactory explanation
cyanus: dark-blue
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - escaped
Plant: erect, annual, 8"-48" tall forb covered with whitish hairs when young
Flower: head 1/2"-1" wide with blue to purple disk flowers, bracts (phyllaries) lined with darkish fringed "eyelashes" near the tip; inflorescence a solitary head at the ends of the many branches
Leaf:usually undivided, linear, less than 1/3" wide, larger ones possibly with a few lobes
Habitat: disturbed sites
(Glossary)

More Information Natural Communities Herbarium Specimens
All Centaurea list Ethnobotany Information Google- Images or Text

Flora of North America (off site)
Synonyms 
Leucacantha cyanus (L.) Nieuwl. & Lunell

Vascular Plants

Plants of Wisconsin

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