Native & Naturalized Plants of the Carolinas & Georgia


208

Forb
Annual/Short-lived perennial

Non-native: adventive from the New World tropics
Documented growing wild in GA NC SC

Uncommon in GA-NC-SC

Look for it in disturbed areas, per Weakley's Flora

map
To see a detailed map, click here

 

full sun ...Variable

LEAVES:
Simple: Dissected
Opposite

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

FRUIT:
Spring/Summer/Fall
Achene

 

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



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

WEAKLEY'S FLORA (11/30/12):
Bidens alba var. radiata   FAMILY Asteraceae

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

LESS THAN VASCULAR FLORA OF THE CAROLINAS (1968) 179-70-012:
Bidens pilosa   FAMILY Asteraceae

 

COMMON NAME:
Hairy Beggar-ticks, Shepherd's Needle


Click or hover over the thumbnails to see larger pictures.

picture of Bidens pilosa, image of Bidens alba var. radiata

JK Marlow    s070913_a

September    Beaufort County    SC

Leaves ternately to pinnately dissected, base rounded to cuneate, per Vascular Flora of the Carolinas.

picture of Bidens pilosa, image of Bidens alba var. radiata

Patrick D. McMillan    pdmbpilosa_41

November        

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

picture of Bidens pilosa, image of Bidens alba var. radiata

Patrick D. McMillan    pdmbpilosa_stjoe1

Month Unknown    Gulf County    FL