OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Centaurea jacea   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Centaurea jacea   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Centaurea jacea

 

COMMON NAME:
Brown Knapweed


         To see larger pictures, click or hover over the thumbnails.

image of Centaurea jacea, Brown Knapweed

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_ceja_001_lvd

        

image of Centaurea jacea, Brown Knapweed

Otto Wilhelm Thome    who_tafel_133_small

        

Flora von Deutschland Osterreich und der Schweiz (1885).

image of Centaurea jacea, Brown Knapweed

Janus (Jan) Kops, Flora Batava    wik_centaurea_jacea_v1

        

An illustration from Kops' Flora Batava, in the public domain.

image of Centaurea jacea, Brown Knapweed

Janus (Jan) Kops, Flora Batava    wik_centaurea_jacea_v19

        

An illustration from Kops' Flora Batava, in the public domain.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Centaurea jacea   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Centaurea jacea   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Centaurea jacea

 

Find by SCIENTIFIC NAME:

3384

Forb
Perennial

Habitat: Roadsides, disturbed areas, per Weakley's Flora

Non-native: Europe

Rare in NC (increasing rapidly in VA)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Basal & alternate

FLOWER:
Summer/Fall
Disc: Pinkish-purple
Rays: Lavender/ Purplish
Inferior ovary
Bisexual, fertile (peripheral florets sterile)

FRUIT:
Summer/Fall
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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