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Bidens cernuus L.

Nodding Bur-Marigold

Asteraceae

Taxonomy

Classification

Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Bidens (Beggarticks)

Synonyms

Bidens cernuus
Bidens minimus
Coreopsis bidens

Related species

Bidens cernuus L. - Nodding Bur-Marigold
Bidens connatus Willd. - London Bur-Marigold
Bidens frondosus L. - Beggarticks
Bidens tripartitus L. - Trifid Bur-Marigold
Bidens radiatus Thuill. - Greater Bur-Marigold

Traits


    Maximal 100 cm tall, without latex. inflorescence: capitula (with involucres). capitula: pendulous, with tubular and ray-flowers, with 6–10 ray-flowers, 8–18 mm long, Ø 20–40 mm. flowers: yellowish. tubular-flowers: brownish to yellowish. ray-flowers: yellowish, 3‑de...

    You find the complete description in our identification books.

Distribution

Distribution in Europe


Bidens cernuus

Legend

The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.


Distribution in Germany

Bidens cernuus

Legend

Natural, established occurences
Artificial occurences

The color intensity reflects the species' abundance

Data: Floristische Kartierung Deutschlands (Stand 2013), Bundesamt für Naturschutz (www.floraweb.de)

Ecology

Bidens cernuus

Bidens cernuus

Status

  • native

Habitat

  • riparian vegetation, mudflat vegetation, reedbeds, ruderal vegetation

  • in nutritious, moist to wet, periodically flooded habitats

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