OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (11/30/12):
Cirsium muticum   FAMILY Asteraceae__   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cirsium muticum   FAMILY Asteraceae__

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-011:
Carduus muticus   FAMILY Asteraceae__

 

COMMON NAME:
Swamp Thistle


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

image of Cirsium muticum, Swamp Thistle

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_cimu_001_lvd

        

image of Cirsium muticum, Swamp Thistle

Jeff Ausmus    jma_cirmut

August    Roscommon County    MI

Roscommon State Forest Area: Higgins Township

Stems smooth, per Wildflowers of the Southern Mountains.

image of Cirsium muticum, Swamp Thistle

Jeff Ausmus    jma_cirmut2

August    Ogemaw County    MI

Roscommon State Forest Area: Ogemaw Township

image of Cirsium muticum, Swamp Thistle

Jeff Ausmus    jma_cirmut3

August    Roscommon County    MI

Roscommon State Forest Area: Higgins Township

Involucres spineless but covered with cobwebby hairs; each bract with a sticky glutinous midrib, per Wildflowers of the Southern Mountains.


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

image of Cirsium muticum, Swamp Thistle

Jeff Ausmus    jma_cirmut4

August    Ogemaw County    MI

Roscommon State Forest Area: Ogemaw Township

image of Cirsium muticum, Swamp Thistle

Richard and Teresa Ware    rtw_cirsium_muticum

August        

Involucres 0.8-1.4" with sticky hairy bracts that usually don't have spines, per Wildflowers of Tennessee.

image of Cirsium muticum, Swamp Thistle

Richard and Teresa Ware    rtw_cirsium_muticum_5

August        

 

WEAKLEY'S FLORA (11/30/12):
Cirsium muticum   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cirsium muticum   FAMILY Asteraceae__

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-011:
Carduus muticus   FAMILY Asteraceae__

 

Find by SCIENTIFIC NAME:

1908

Forb
Biennial

Native to the Carolinas & Georgia

Habitat: swamps, wet thickets, woodlands, seepage slopes, wet prairies, meadows, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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: Dissected
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!



 


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