Bidens vulgata

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Bidens vulgata
Bidens vulgata 5474904.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Bidens
Species: B. vulgata
Binomial name
Bidens vulgata
Greene
Synonyms[1][2]
  • Bidens vulgatus Greene
  • Bidens puberula Wiegand

Bidens vulgata is a species of flowering plant in the daisy family known by the common names big devils beggarticks[3] and tall beggarticks.[4] It is native to eastern and central North America from Nova Scotia to northern Georgia and as far west as the Rocky Mountains. It is an introduced species on the West Coast of North America as well as parts of Europe.[5][6]

Bidens vulgata is an annual herb producing a hairy stem which generally grows 30 to 50 centimeters (12 to 20 inches) tall but often grows much taller, exceeding 100 cm (39 in). The leaves are made up of several lance-shaped leaflets each up to 8 centimeters long. The inflorescence produces several small flower heads with centers of yellow disc florets and a fringe of 3 to 5 yellow ray florets a few millimeters in length. Some heads lack ray florets. The fruit is a flattened achene with two sharp barbs at one end. The species grows primarily in wet locations such as swamps, marshes, streambanks, etc.[7][8]

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