Taxon  Report   1855 
Centaurea sulphurea  Willd.
Sicilian star thistle,  Sulphur knapweed
Centaurea sulphurea
© 2001 CDFA
Click on a photo to see it bigger.
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.

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Plant Characteristics
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Bloom Period
Centaurea sulphurea
© 2001 CDFA
Genus: Centaurea
Distribution by County 

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Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Centaurea sulphurea
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Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 20, 2018).

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