Taxon  Report   11496    
Centaurea jacea  L.  ssp. nigra  (L.) Bonnier & Layens
Black knapweed
Centaurea jacea ssp. nigra, a dicot, is a perennial herb that is not native to California; it has been naturalized in the wild.

Bloom Period
Genus: Centaurea
Parent: Centaurea jacea
Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by ICPN

Alternate Names:
ICPN: Centaurea nigra
More information about  Centaurea jacea ssp. nigra
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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Consortium of California Herbaria

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Feb 22, 2020).