Native & Naturalized Plants of the Carolinas & Georgia


1914

Forb
Annual

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common

Look for it in marshes, wet meadows, ditches, per Weakley's Flora

map
To see a detailed map, click here

 

full sun partial shade ...Wet ...Moist ...Variable

LEAVES:
Simple: Pinnately dissected
Opposite

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Disc flowers bisexual & fertile/ Ray flowers neuter or styliferous & sterile
Inferior ovary

FRUIT:
Summer/Fall
Achene

 

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



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

WEAKLEY'S FLORA (11/30/12):
Bidens aristosa   FAMILY Asteraceae

LESS THAN PLANTS NATIONAL DATABASE:
Bidens aristosa   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-70-009:
Bidens aristosa   FAMILY Asteraceae

 

COMMON NAME:
Ditch Daisy, Bur-marigold, Midwestern Tickseed-sunflower


Click or hover over the thumbnails to see larger pictures.

image of Bidens aristosa

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_biar_001_lvd

        

image of Bidens aristosa

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_biar_009_lvd

        

image of Bidens aristosa

JK Marlow    jkm110924_610

September    Greenville County    SC

Often forms dense colonies that are spectacular when in flower, per Wildflowers of the Eastern United States.

image of Bidens aristosa

JK Marlow    jkm120930_151

September    Greenville County    SC

Leaves pinnately divided into lobed and toothed lanceolate segments, per Gardening with the Native Plants of Tennessee.

image of Bidens aristosa

JK Marlow    jkm120930_197b

September    Greenville County    SC

Ray florets yellow, (5)8-10+, per Flora of North America.

image of Bidens aristosa

JK Marlow    jkm120930_200

September    Greenville County    SC

Calyculus bractlets [outer involucral bracts] usually spreading to reflexed, per Flora of North America.

image of Bidens aristosa

JK Marlow    jkm120930_208

September    Greenville County    SC

Outer involucral bracts shorter than the inner, fewer than B. polylepis, per Wildflowers of Tennessee.


click here to see other plants that look similar to this COMPARE involucral bracts of Bidens and Coreopsis

image of Bidens aristosa

JK Marlow    jkm120930_212c

September    Greenville County    SC

8-12(16) calyculus bractlets [outer involucral bracts], linear, per Flora of North America.

image of Bidens aristosa

Patrick D. McMillan    pdmb_aristosa

September        

image of Bidens aristosa

JK Marlow    s121001_bidensaristosa

October    Greenville County    SC