Taxon  Report   10725    
Centaurea nigrescens  Willd.
Tyrol knapweed
Centaurea nigrescens
© 2008 Keir Morse
Photos from
CalPhotos / Calflora
Centaurea nigrescens
© 2008 Keir Morse
Centaurea nigrescens, a dicot, is a perennial 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

Plant Characteristics
and Associations
Centaurea nigrescens
© 2008 Keir Morse
Genus: Centaurea
Name Status:
Accepted by PLANTS

Alternate Names:
PLANTS: Centaurea debeauxii ssp. thuillieri
PLANTS: Centaurea dubia ssp. vochinensis
PLANTS: Centaurea pratensis
. . .
More information about  Centaurea nigrescens
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on   /   Google Images

Records from the Consortium of California Herbaria


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 21, 2019).