Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Ditch Daisy at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (5/21/15):
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
COMMON NAME:
Ditch Daisy, Bur-marigold, Ozark Tickseed-sunflower, Bearded Beggarticks
Click or hover over the thumbnails to see larger pictures.
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_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 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.