Centaurea jacea Calflora

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Taxon Report

Centaurea jacea L.

Brownray knapweed, Brown knapweed

2020 Domenic Bongio

2022 Patrick Hoffman

2019 Jonathan Lee

2022 Patrick Hoffman

2005 Dr. Amadej Trnkoczy

2022 Patrick Hoffman

2019 Jonathan Lee

2008 Keir Morse

Centaurea jacea is a perennial herb that is not native to California.


	Plant Range Observation Search (72 records) Plant Characteristics

Bloom Period

Photos on Calflora


Subspecies and Varieties:
... ssp. jacea ... ssp. nigra ... ssp. pratensis
Genus:	Centaurea
Family:	Asteraceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by JEF + PLANTS

Information about Centaurea jacea from other sources


Jepson eFlora USDA PLANTS Profile (CEJA) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist	International Plants Names Index Search efloras.org (Flora of North America) BONAP Distribution Map Consortium of California Herbaria 2	Add an Observation Location Suitability Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 12/01/2023).