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 pilosa   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Bidens pilosa   FAMILY Asteraceae

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

Bidens pilosa

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

Bidens pilosa

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Bidens pilosa

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-XX:

Bidens pilosa   FAMILY Asteraceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Bidens pilosa

 

COMMON NAME:
Hairy Beggarticks


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

image of Bidens pilosa, Hairy Beggarticks

Joseph M. DiTomaso, University of California - Davis, Bugwood.org    bug_5374293

Month Unknown        

image of Bidens pilosa, Hairy Beggarticks

Joseph M. DiTomaso, University of California    bug_5374295

Month Unknown        

Ray florets 0 or (3-)5-8+; laminae whitish to pinkish (yellowish), per Flora of North America.

image of Bidens pilosa, Hairy Beggarticks

Joseph M. DiTomaso, University of California    bug_5374296

Month Unknown        

image of Bidens pilosa, Hairy Beggarticks

Joseph M. DiTomaso, University of California - Davis, Bugwood.org    bug_5374297

Month Unknown        

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Bidens pilosa   FAMILY Asteraceae

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

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21
Bidens pilosa

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Bidens pilosa

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-XX:
Bidens pilosa   FAMILY Asteraceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Bidens pilosa

 

Find by SCIENTIFIC NAME:

2048

Forb
Annual

Habitat: Disturbed areas, ballast, waste areas near wool-combing mill, per Weakley's Flora

Non-native: Tropical America

Waif(s)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

 

LEAVES:
Simple: mostly 1-pinnately lobed
Opposite
Petioles 1-3(7)cm long
Margins serrate or entire, usually ciliate

FLOWER:
Winter/Spring/Summer/Fall
Rays: White (but usually absent)
Disc: Yellowish
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers neuter or styliferous & sterile

FRUIT:
Winter/Spring/Summer/Fall
Achene

 

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



 


Find by SCIENTIFIC NAME: