Bidens connata

Bidens connata , the purplestem beggarticks^[2] or London bur-marigold,^[3] is a species of flowering plant in the family Asteraceae. It is widespread across much of Eurasia, North Africa, and North America, and naturalized in Australia and on certain Pacific Islands.^[4][5][6]

Bidens connata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Bidens
Species:	B. connata
Binomial name
Bidens connata Muhl. ex Willd.
Synonyms[1]
Bidens decipiens Warnst. Bidens petiolata Nutt. Bidens sandbergii Rydb.

Bidens connata is an annual herb up to 200 cm (80 inches) tall. It produces as many as 3 yellow flower heads containing both disc florets and ray florets. The species grows in marshes and other wet sites.^[4]