NameThatPlant.net: Centaurea nigra

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

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

Dig deeper at SERNEC, a consortium of southeastern herbaria.

Check out EDDMapS.org to see where this has been reported.

Read more about Black Knapweed at Vascular Plants of North Carolina.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Centaurea nigra FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America

Centaurea nigra

COMMON NAME:
Black Knapweed, Spanish-buttons

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

image of Centaurea nigra, Black Knapweed, Spanish-buttons

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_ceni2_001_lvd

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Centaurea nigra FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America
Centaurea nigra

3772

Forb
Perennial

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

Non-native: Europe

Rare in NC

map
Click here to see a map, notes, and images 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: Absent
Bisexual, fertile
Inferior ovary

FRUIT:
Summer/Fall
Achene

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