Native & Naturalized Plants of the Carolinas & Georgia

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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
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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.

image of Bidens alba var. radiata, Hairy Beggar-ticks, Shepherd's Needle

JK Marlow    s070913_a

September    Beaufort County    SC

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

image of Bidens alba var. radiata, Hairy Beggar-ticks, Shepherd's Needle

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 Beggar-ticks, Shepherd's Needle

Patrick D. McMillan    pdmbpilosa_stjoe1

Month Unknown    Gulf County    FL