Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Carduus acanthoides ssp. acanthoides
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 Carduus at Vascular Plants of North Carolina.
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Carduus acanthoides
FAMILY
Asteraceae__
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Carduus acanthoides
SYNONYMOUS WITH Flora of North America
Carduus acanthoides ssp. acanthoides
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-015:
Carduus acanthoides FAMILY Asteraceae__
COMMON NAME:
Plumeless Thistle, Spiny Plumeless-thistle, Broad-winged Thistle
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm0507h_11
July Pocahontas County WV
Roadside
Flower heads short-pedunculate and erect in flower, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm0507h_16
July Pocahontas County WV
Roadside
Plants very spiny, stem tough, per Weakley's Flora.
)
JK Marlow jkm0507h_19b
July Pocahontas County WV
Roadside
Involucres arachnose. Outer involucral bracts erect, inner bracts soft, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
involucral bracts of Thistles
)
Steve Dewey, Utah State University, Bugwood.org bug_1459784
Month Unknown
)
Joseph M. DiTomaso, University of California - Davis, Bugwood.org bug_5374305
Month Unknown
Stems leafy to near apex, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Joseph M. DiTomaso, University of California - Davis, Bugwood.org bug_5374306
Month Unknown
)
Bruce Ackley, The Ohio State University, Bugwood.org bug_5436746
Month Unknown
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Carduus acanthoides ssp. acanthoides
FAMILY
Asteraceae__
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Carduus acanthoides
FAMILY
Asteraceae__
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Carduus acanthoides
SYNONYMOUS WITH
Flora of North America
Carduus acanthoides ssp. acanthoides
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-015:
Carduus acanthoides
FAMILY
Asteraceae__
2122
Forb
Biennial
Habitat: Disturbed areas, pastures, per Weakley's Flora
Non-native: Eurasia
Uncommon in NC Mountains (rare elsewhere in GA-NC-SC)
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.)
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- Forest Health Assessment & Applied Sciences Team: New Invaders of the Southeast
- Kentucky Exotic Pest Plant Council, 2013
- Mid-Atlantic Exotic Pest Plant Council
- Tennessee Exotic Pest Plant Council, 2009
IS THE PLANT "ARMED"?
Leaf margins spiny
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!
- New Invaders of the Southeast (Rawlins et al., 2018) p037
- Wildflowers of the Southern Mountains (Smith, 1998) p185