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Tickseed Sunflower
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Bidens polylepis is an annual herb up to 100 cm (40 inches) tall. It produces as many as 3 yellow flower heads per branch, each head containing both disc florets and ray florets. The species grows in marshes, flood plains, and disturbed sites.
Bidens polylepis is very closely related to Bidens aristosa, and they are known to intergrade over a broad geographic range. Because of this, they have been combined as a single entity by some authors. Learn more about Tickseed Sunflower
View related species in family group: Daisy and Sunflower
Plantae: Tracheophyta: Asterales: Magnoliopsida: Asteraceae: Bidens polylepis