Native & Naturalized Plants of the Carolinas & Georgia


2122

Forb
Biennial

Non-native: Eurasia
Documented growing wild in - NC SC

Rare in NC-SC

Look for it in disturbed areas, pastures, per Weakley's Flora

map
To see a detailed map, click here


Invasive?

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

Kentucky Exotic Pest Plant Council, 2013
Mid-Atlantic Exotic Pest Plant Council
Tennessee Exotic Pest Plant Council, 2009

 

full sun

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
Disc: Purplish
Rays: Absent
Bisexual
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):
Carduus acanthoides ssp. acanthoides   FAMILY Asteraceae__

LESS THAN PLANTS NATIONAL DATABASE:
Carduus acanthoides   FAMILY Asteraceae__

GREATER THAN VASCULAR FLORA OF THE CAROLINAS (1968) 179-25-015:
Carduus acanthoides   FAMILY Asteraceae__

 

COMMON NAME:
Plumeless Thistle


Click or hover over the thumbnails to see larger pictures.

picture of Carduus acanthoides, image of Carduus acanthoides ssp. acanthoides

JK Marlow    jkm0507h_11

July    Pocahontas County    WV

Roadside

Flower heads short-pedunculate and erect in flower, per Vascular Flora of the Carolinas.

picture of Carduus acanthoides, image of Carduus acanthoides ssp. acanthoides

JK Marlow    jkm0507h_16

July    Pocahontas County    WV

Roadside

Plants very spiny, stem tough, per Weakley's Flora.

picture of Carduus acanthoides, image of Carduus acanthoides ssp. acanthoides

JK Marlow    jkm0507h_19b

July    Pocahontas County    WV

Roadside

Involucres arachnose. Outer involucral bracts erect, inner bracts soft, per Vascular Flora of the Carolinas.


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

picture of Carduus acanthoides, image of Carduus acanthoides ssp. acanthoides

Steve Dewey, Utah State University, Bugwood.org    bug_1459784

Month Unknown        

picture of Carduus acanthoides, image of Carduus acanthoides ssp. acanthoides

Joseph M. DiTomaso, University of California - Davis, Bugwood.org    bug_5374305

Month Unknown        

Stems leafy to near apex, per Vascular Flora of the Carolinas.

picture of Carduus acanthoides, image of Carduus acanthoides ssp. acanthoides

Joseph M. DiTomaso, University of California - Davis, Bugwood.org    bug_5374306

Month Unknown        

picture of Carduus acanthoides, image of Carduus acanthoides ssp. acanthoides

Bruce Ackley, The Ohio State University, Bugwood.org     bug_5436746

Month Unknown