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 alba var. radiata   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Bidens alba var. radiata   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 alba var. radiata

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-012:

Bidens pilosa   FAMILY Asteraceae

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

Bidens pilosa

 

COMMON NAME:
Hairy Beggarticks, Shepherd's Needles, White Beggarticks


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

image of Bidens alba var. radiata, Hairy Beggarticks, Shepherd's Needles, White Beggarticks

JK Marlow    s070913_a

September    Beaufort County    SC

Leaves ternately to pinnately dissected, base rounded to cuneate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Bidens alba var. radiata, Hairy Beggarticks, Shepherd's Needles, White Beggarticks

Patrick D. McMillan    pdmbpilosa_41

November        

Ray florets white, 5-8, the ligule 5-16 mm long, per Weakley's Flora.

image of Bidens alba var. radiata, Hairy Beggarticks, Shepherd's Needles, White Beggarticks

Patrick D. McMillan    pdmbpilosa_stjoe1

Month Unknown    Gulf County    FL

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Bidens alba var. radiata   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Bidens alba var. radiata   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 alba var. radiata

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-012:
Bidens pilosa   FAMILY Asteraceae

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

 

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208

Forb
Annual/Short-lived perennial

Habitat: Disturbed areas, per Weakley's Flora

Non-native: adventive from the New World tropics

Uncommon in Coastal Plain of GA & SC (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: mostly 1-pinnately lobed
Opposite
Margins serrate

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

FRUIT:
Spring/Summer/Fall
Achene

 

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



 


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