Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (10/20/20):
Bidens polylepis
FAMILY
Asteraceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Ditch Daisy at Vascular Plants of North Carolina.
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Bidens aristosa
FAMILY
Asteraceae
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)
Bidens polylepis
COMMON NAME:
Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_biar_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_biar_009_lvd
)
JK Marlow jkm0309u_2324
September Greenville County SC
Roadside
)
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.
COMPARE
involucral bracts of Bidens and Coreopsis
)
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.
)
JK Marlow jkm140909_545
September Greenville County SC
Swamp Rabbit Trail
)
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.
)
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.
)
JK Marlow jkm140917_805
September Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm140917_827
September Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm170914_0492
September Henderson County NC
)
JK Marlow jkm180914_4723
September Greenville County SC
)
Richard and Teresa Ware rtw_b_polylepis_jr_1
September
)
Richard and Teresa Ware rtw_bidens_polylepis
September
)
JK Marlow jkm0310a_32
October Greenville County SC
Roadside
)
JK Marlow jkm0310a_37
October Greenville County SC
Roadside
)
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.
)
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.
WEAKLEY'S FLORA (10/20/20):
Bidens polylepis
FAMILY
Asteraceae
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Bidens aristosa
FAMILY
Asteraceae
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)
Bidens polylepis
209
Forb
Annual
Native west of the Carolinas & Georgia
Documented growing wild in GA NC SC
Uncommon (rare in GA Coastal Plain)
Look for it in marshes, wet meadows, ditches, bogs, 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
...Variable
LEAVES:
Simple: usually laciniately (raggedly) pinnatisect (pinnately cleft to the midrib)
Opposite
Petioles 5-30mm long
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!
- All About South Carolina Wildflowers p119
- Gardening with the Native Plants of Tennessee p111
- Wildflowers of the Atlantic Southeast p309
- Wildflowers of the Eastern United States p126?
- Wild Flowers of NC, 1st edition p202
- Wildflowers of Tennessee p279
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p328
- Wildflowers of the Southern Mountains p195
- Wildflowers of the Sandhills Region p322