Carolinas and Georgia

299

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

WEAKLEY'S FLORA (11/30/12):
Centaurea stoebe ssp. micranthos   FAMILY Asteraceae__

(?) PLANTS NATIONAL DATABASE:
Centaurea stoebe ssp. micranthos   FAMILY Asteraceae__

SYNONYMOUS WITH Synthesis of the North American Flora (Kartesz, 1999)
Centaurea biebersteinii

SYNONYMOUS WITH (MISAPPLIED) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-24-003:
Centaurea maculosa   FAMILY Asteraceae__

 

COMMON NAME:
Spotted Knapweed, Bushy Knapweed


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

Forb
Biennial/Short-lived perennial

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

Common (rare in GA & SC)


INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

 

LEAVES:
Simple: pinnatifid
Basal rosette & alternate

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

FRUIT:
Summer/Fall
Blackish-brown
Achene

 

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



Centaurea stoebe ssp. micranthos   FAMILY Asteraceae__

Spotted Knapweed, Bushy Knapweed