OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Bidens polylepis   FAMILY Asteraceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Bidens aristosa   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Bidens aristosa

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

Bidens polylepis

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Bidens aristosa

SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)

Bidens polylepis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-010:

Bidens polylepis   FAMILY Asteraceae

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

Bidens polylepis

 

COMMON NAME:
Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower


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

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

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

        

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

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

        

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm0309u_2324

September    Greenville County    SC

Roadside

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm090907_011

September    Greenville County    SC

Outer involucral bracts curled and twisted, and longer than inner bracts, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).


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

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm120908_411

September    Greenville County    SC

12-21 calyculus bractlets [outer involucral bracts], these (6)8-12(20)mm long, per Weakley's Flora.

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm140909_545

September    Greenville County    SC

Swamp Rabbit Trail

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm140909_548

September    Greenville County    SC

Swamp Rabbit Trail

Leaves 1x-2x pinnately divided into lance-shaped, mostly toothed segments, per Wildflowers of Tennessee (Carman, 2005).

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm140909_552

September    Greenville County    SC

Swamp Rabbit Trail

There are 12 or more outer involucral bracts, longer than inner ones, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm140917_805

September    Greenville County    SC

Swamp Rabbit Trail

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm140917_827

September    Greenville County    SC

Swamp Rabbit Trail

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm170914_0492

September    Henderson County    NC

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm180914_4723

September    Greenville County    SC

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

Richard and Teresa Ware    rtw_b_polylepis_jr_1

September        

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

Richard and Teresa Ware    rtw_bidens_polylepis

September        

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm0310a_32

October    Greenville County    SC

Roadside

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm0310a_37

October    Greenville County    SC

Roadside

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    jkm111005_724

October    Greenville County    SC

Bright yellow rays are 1" or more long and surround a 1/2" disk, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Bidens polylepis, Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

JK Marlow    s031102_a

November    Greenville County    SC

Roadside

Fruits: Achenes; pappus of usually 2 barbed awns, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Bidens polylepis   FAMILY Asteraceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Bidens aristosa   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Bidens aristosa

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Bidens polylepis

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Bidens aristosa

SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Bidens polylepis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-010:
Bidens polylepis   FAMILY Asteraceae

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

 

Find by SCIENTIFIC NAME:

209

Forb
Annual

Habitat: marshes, wet meadows, ditches, bogs, per Weakley's Flora

Native west of the Carolinas & Georgia

Uncommon (rare in GA Coastal Plain)

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.)

LEAVES:
Simple: usually laciniately (raggedly) pinnatisect (pinnately cleft to the midrib)
Opposite
Petioles 5-30mm long

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

FRUIT:
Summer/Fall
Achene

 

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



 


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