Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Cirsium muticum
FAMILY
Asteraceae__
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Swamp Thistle at Vascular Plants of North Carolina.
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.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_cimu_001_lvd
)
Jeff Ausmus jma_cirmut
August Roscommon County MI
Roscommon State Forest Area: Higgins Township
Stems smooth, per Wildflowers of the Southern Mountains.
)
Jeff Ausmus jma_cirmut2
August Ogemaw County MI
Roscommon State Forest Area: Ogemaw Township
)
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.
COMPARE
involucral bracts of Thistles
)
Jeff Ausmus jma_cirmut4
August Ogemaw County MI
Roscommon State Forest Area: Ogemaw Township
)
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.
)
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__
1908
Forb
Biennial
Native to the Carolinas & Georgia
Documented growing wild in GA NC SC
Uncommon (rare in Coastal Plain) (rare in GA)
Look for it in swamps, wet thickets, woodlands, seepage slopes, wet prairies, meadows, per Weakley's Flora
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
...Wet
...Moist
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!
- Great Smoky Mountains Wildflowers p104
- Wild Flowers of NC, 2nd edition p254
- Wildflowers of Tennessee p285
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p334
- Wildflowers of the Southern Mountains p185