Native & Naturalized Plants of the Carolinas & Georgia


3526

Forb
Perennial

Non-native: Europe
Documented growing wild in - NC -

Rare in NC (increasing rapidly in VA)

Look for it roadsides, disturbed areas, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Basal & alternate

FLOWER:
Summer/Fall
Disc: Pinkish-purple
Rays: Pinkish-purple
Bisexual, all fertile or peripheral florets sterile
Inferior ovary

FRUIT:
Summer/Fall
Achene

 

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



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

WEAKLEY'S FLORA (11/30/12):
Centaurea nigrescens   FAMILY Asteraceae

GREATER THAN PLANTS NATIONAL DATABASE:
Centaurea nigrescens   FAMILY Asteraceae

GREATER THAN PLANTS National Database
Centaurea transalpina

 

COMMON NAME:
Tyrol Knapweed, Short-fringed Knapweed


Click or hover over the thumbnails to see larger pictures.

picture of -, image of Centaurea nigrescens

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_cevo2_001_lvd

        

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_361

October    Washington County    VA

Virginia Creeper Trail

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_361b

October    Washington County    VA

Virginia Creeper Trail

Outer flowers of the heads larger than others, per Wildflowers in the Field and Forest.

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_362

October    Washington County    VA

Virginia Creeper Trail

Involucral bracts with a triangular blackish tip, with a fringe, per Wildflowers in the Field and Forest.

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_363

October    Washington County    VA

Virginia Creeper Trail

Heads relatively narrow, the involucres black and green, per Weakley's Flora.


click here to see other plants that look similar to this COMPARE involucral bracts of Centaurea

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_366

October    Washington County    VA

Virginia Creeper Trail

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_368

October    Washington County    VA

Virginia Creeper Trail

Peripheral florets sterile, expanded & exceeding corollas of fertile florets, per Flora of North America.

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_371

October    Washington County    VA

Virginia Creeper Trail

Stem leaves unlobed, less than or equal to 6" long, per Wildflowers in the Field and Forest.

picture of -, image of Centaurea nigrescens

JK Marlow    jkm121006_375

October    Washington County    VA

Virginia Creeper Trail