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]
| Bidens cernua | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Bidens |
| Species: | B. cernua
|
| Binomial name | |
| Bidens cernua | |
| Synonyms[1][2][3] | |
| |
Distribution and abundance
editBidens cernua is distributed throughout much of Eurasia and North America.[4][5][6][7]
Morphology
edit
General description
editBidens 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
edit- ^ "The Plant List: A Working List of All Plant Species".
- ^ "IPNI entry for Coreopsis ridens".
- ^ "IPNI entry for Bidens venosa".
- ^ a b c Flora of North America, Bidens cernua Linnaeus, Sp. Pl. 2: 832. 1753.
- ^ a b c Flora of China, 柳叶鬼针草 liu ye gui zhen cao, Bidens cernua Linnaeus, Sp. Pl. 2: 832. 1753
- ^ a b c Biota of North America Program 2014 county distribution map
- ^ a b c Altervista Flora Italiana, Forbicina intera, Bidens cernua L. includes photos and European distribution map
- ^ 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.
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
