OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Bidens cernua   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Bidens cernua   FAMILY Asteraceae

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

Bidens cernua

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-002:

Bidens cernua   FAMILY Asteraceae

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

Bidens cernua

 

COMMON NAME:
Nodding Bur-marigold, Nodding Beggarticks


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

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_bice_001_lvd

        

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_bice_008_lvd

        

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

JK Marlow    jkm120920_003

September    Washington County    VA

Virginia Creeper Trail

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

JK Marlow    jkm120920_009

September    Washington County    VA

Virginia Creeper Trail

6-8 ray flowers to 0.6" long, or none. Disk yellow, hemispheric, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

JK Marlow    jkm120920_011

September    Washington County    VA

Virginia Creeper Trail

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

JK Marlow    jkm120920_014

September    Washington County    VA

Virginia Creeper Trail

Leaves sessile and sometimes connate at the base, usually toothed, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

JK Marlow    jkm120920_020

September    Washington County    VA

Virginia Creeper Trail

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

JK Marlow    jkm120920_022

September    Washington County    VA

Virginia Creeper Trail

Lvs sessile, lance-linear to lance-ovate, coarsely serrate to almost entire, per Wildflowers of Tennessee (Carman, 2005).

image of Bidens cernua, Nodding Bur-marigold, Nodding Beggarticks

JK Marlow    jkm120920_025

September    Washington County    VA

Virginia Creeper Trail

Outer involucral bracts leafy, typically surpassing the disk, 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

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Bidens cernua   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Bidens cernua   FAMILY Asteraceae

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

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-002:
Bidens cernua   FAMILY Asteraceae

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

 

Find by SCIENTIFIC NAME:

3392

Forb
Annual

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

Native to the Carolinas & Georgia

Uncommon in NC Mountains (rare elsewhere in GA-NC-SC)

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
Opposite
Leaves sessile
Margins usually coarsely dentate to serrate, sometimes entire, sometimes ciliate

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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