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 discolor   FAMILY Asteraceae__   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cirsium discolor   FAMILY Asteraceae__

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

Cirsium discolor

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-005:

Carduus discolor   FAMILY Asteraceae__

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

Cirsium discolor

 

COMMON NAME:
Field Thistle


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

image of Cirsium discolor, Field Thistle

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_cidi_001_lvd

        

image of Cirsium discolor, Field Thistle

Stephanie C. Brundage    scb_082021hayesville11

August    Clay County    NC

Clay County Native Botanical Garden

image of Cirsium discolor, Field Thistle

JK Marlow    jkm120920_983

September    Washington County    VA

Virginia Creeper Trail

Pollinator at work.

image of Cirsium discolor, Field Thistle

JK Marlow    jkm120920_984

September    Washington County    VA

Virginia Creeper Trail

image of Cirsium discolor, Field Thistle

JK Marlow    jkm120920_986

September    Washington County    VA

Virginia Creeper Trail

Uppermost leaves just below the head, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Cirsium discolor, Field Thistle

JK Marlow    jkm120920_988

September    Washington County    VA

Virginia Creeper Trail

Involucres, from 1-1.5" long, have middle & outer bracts tipped with a spine, per Wildflowers of Tennessee (Carman, 2005).


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

image of Cirsium discolor, Field Thistle

JK Marlow    jkm120920_995

September    Washington County    VA

Virginia Creeper Trail

image of Cirsium discolor, Field Thistle

JK Marlow    jkm120920_996

September    Washington County    VA

Virginia Creeper Trail

Stem leafy, hairy, without wings, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Cirsium discolor, Field Thistle

Richard and Teresa Ware    rtw_cirsium_discolor_6

September        

image of Cirsium discolor, Field Thistle

Richard and Teresa Ware    rtw_cirsium_discolor_8

September        

image of Cirsium discolor, Field Thistle

JK Marlow    jkm121006_387

October    Washington County    VA

Virginia Creeper Trail

image of Cirsium discolor, Field Thistle

JK Marlow    jkm121006_392

October    Washington County    VA

Virginia Creeper Trail

Leaves villous to scabrous above, white tomentose beneath, margins revolute, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cirsium discolor   FAMILY Asteraceae__

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

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-005:
Carduus discolor   FAMILY Asteraceae__

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

 

Find by SCIENTIFIC NAME:

2547

Forb
Biennial

Habitat: Pastures, woodlands, thickets, per Weakley's Flora

Native to the Carolinas & Georgia

Common in NC Mountains, uncommon in GA Mountains (rare elsewhere in GA-NC-SC)

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.)

IS THE PLANT "ARMED"?
Leaf margins spiny

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
Disc: Purplish-lavender
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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