Taxon  Report   1855    
Centaurea sulphurea  Willd.
Sicilian star thistle,  Sulphur knapweed
Centaurea sulphurea
© 2001 CDFA
Photos from
CalPhotos / Calflora
Centaurea sulphurea
© 2001 CDFA
Centaurea sulphurea
© 2001 CDFA
Centaurea sulphurea, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Centaurea sulphurea
© 2001 CDFA
Genus: Centaurea
Name Status:
Accepted by JEF + PLANTS

More information about  Centaurea sulphurea
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 16, 2019).