Calflora
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.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Family: ASTERACEAE  
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

Search efloras.org (Flora of North America)

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Consortium of California Herbaria 2


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: https://www.calflora.org/   (Accessed: Sep 26, 2020).