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 is an annual herb up to 200 cm (80 inches) tall.

The species grows in marshes and other wet sites.

[4] Media related to Bidens connata at Wikimedia Commons