OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (11/30/12):
Centaurea jacea   FAMILY Asteraceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Centaurea jacea   FAMILY Asteraceae

 

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 (11/30/12):
Centaurea jacea   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Centaurea jacea   FAMILY Asteraceae

 

Find by scientific name:

3384

Forb
Perennial

Non-native: Europe

Documented growing wild in - NC -

Rare in NC (increasing rapidly in VA)

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

map
NEW! Click here to see a range map (and maybe identification notes) from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Basal & alternate

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

FRUIT:
Summer/Fall
Achene

 

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



 


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