Bidens cernua

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Bidens cernua
Bidens cernua.jpeg
Status TNC G5.svg
Secure  (NatureServe)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Bidens
Species:
B. cernua
Binomial name
Bidens cernua
L.
Synonyms [1] [2] [3]
  • Bidens ciliolataGreene
  • Bidens cusickiiGreene
  • Bidens dentata(Nutt.) Wiegand
  • Bidens elliptica(Wiegand) Gleason
  • Bidens filamentosaRydb.
  • Bidens gracilentaGreene
  • Bidens graveolensKomarov 1916 not Mart. 1824
  • Bidens kelloggiiGreene
  • Bidens leptomeriaGreene
  • Bidens leptopodaGreene
  • Bidens lonchophyllaGreene
  • Bidens macouniiGreene
  • Bidens marginataGreene 1901 not Perr ex DC. 1836
  • Bidens minimaHuds.
  • Bidens prionophyllaGreene
  • Bidens quadriaristata var. dentataNutt.
  • Bidens tripartita var. minima Huds.
  • Bidens venosaGardner
  • Buphthalmum nutansVitman
  • Coreopsis bidensL.
  • Coreopsis quadricornisKrock.
  • Coreopsis ridensGunnerus

Bidens cernua is a species of flowering plant in the aster family, Asteraceae. [4] [5] [6] [7] Bidens cernua is distributed throughout much of Eurasia and North America. [4] [5] [6] [7] It is commonly called nodding beggarticks [8] or nodding bur-marigold. [9]

Contents

Distribution and abundance

Bidens cernua is distributed throughout much of Eurasia and North America. [4] [5] [6] [7]

Morphology

Bidens cernua Sturm18.jpg
Bidens cernua Herbar.jpg

General description

Bidens cernua is an annual species growing roughly 1m tall, with a fibrous root. Stems are rigid and often either simple or beached. Stem leaves are simple, unstalked, and opposite.

References

  1. "The Plant List: A Working List of All Plant Species".
  2. "IPNI entry for Coreopsis ridens".
  3. "IPNI entry for Bidens venosa".
  4. 1 2 3 Flora of North America, Bidens cernua Linnaeus, Sp. Pl. 2: 832. 1753.
  5. 1 2 3 Flora of China, 柳叶鬼针草 liu ye gui zhen cao, Bidens cernua Linnaeus, Sp. Pl. 2: 832. 1753
  6. 1 2 3 Biota of North America Program 2014 county distribution map
  7. 1 2 3 Altervista Flora Italiana, Forbicina intera, Bidens cernua L. includes photos and European distribution map
  8. Voss, E.G. (1996). Michigan Flora: A guide to the identification and occurrence of the native and naturalized seed-plants of the state. Part III: Dicots (Pyrolaceae–Compositae). Vol. Bulletin 61. Ann Arbor, Michigan, U.S.A.: Cranbrook Institute of Science and University of Michigan Herbarium.
  9. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.