OF THE CAROLINAS & GEORGIA

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

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



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cirsium virginianum   FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Cirsium virginianum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-007:

Carduus virginianus   FAMILY Asteraceae__

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Cirsium revolutum

 

COMMON NAME:
Virginia Thistle


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

image of Cirsium virginianum, Virginia Thistle

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_civi_001_lvd

        

image of Cirsium virginianum, Virginia Thistle

John B. Nelson    jbn_8011829634_cc94372be9

September    Charleston County    SC

Corollas purple, 21-26 mm, throats noticeably wider than tubes, per Flora of North America.

image of Cirsium virginianum, Virginia Thistle

Will Stuart    wil_virginianu220925_3530

September    Craven    NC

Croatan National Forest

image of Cirsium virginianum, Virginia Thistle

Will Stuart    wil_virginianu220925_3539

September    Craven    NC

Croatan National Forest

Leaves spread widely, to 15cm x 5cm, the blade lobed or not, divisions spine-tipped, per Wildflowers of the Sandhills Region (Sorrie, 2011).

image of Cirsium virginianum, Virginia Thistle

Will Stuart    wil_virginianu220925_3592

September    Craven    NC

Croatan National Forest

Each head is about 2.5cm across, the bracts tight and with short spines, per Wildflowers of the Sandhills Region (Sorrie, 2011).

image of Cirsium virginianum, Virginia Thistle

Will Stuart    wil_virginianu220925_3596

September    Craven    NC

Croatan National Forest

Leaves firm-textured, blades thick, ± rigid, per Flora of North America.

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cirsium virginianum   FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Cirsium virginianum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-007:
Carduus virginianus   FAMILY Asteraceae__

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Cirsium revolutum

 

Find by SCIENTIFIC NAME:

3080

Forb
Biennial

Habitat: Moist to fairly dry pine savannas, bogs, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in Carolina Coastal Plain, rare elsewhere

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

IS THE PLANT "ARMED"?
Leaf margins spiny

LEAVES:
Simple: Unlobed and/or dissected
Alternate

FLOWER:
Summer/Fall
Disc: Purplish
Rays: Absent
Inferior ovary
Bisexual

FRUIT:
Summer/Fall
Achene

 

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



 


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