Bidens tripartita

Bidens tripartita
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Bidens
Species:	B. tripartita
Binomial name
Bidens tripartita L.
Synonyms [2]
Synonymy Bidens acuta(Wiegand) Britton Bidens orientalisVelen. Bidens shimadaiHayata Bidens bullataL., syn of subsp. bullatus Bidens hirtusGodr., syn of subsp. bullatus Bidens repensD.Don, syn of var. repens Bidens trifidaBuch.-Ham. ex Roxb., syn of var. repens

Bidens tripartita is a common and widespread species of flowering plant in the sunflower family, Asteraceae, commonly known as three-lobe beggarticks, ^[3] three-part beggarticks, leafy-bracted beggarticks or trifid bur-marigold. It is native to much of Eurasia, North Africa, and North America, with naturalized populations in Australia and on some Pacific Islands. ^{[4] [5] [6] [7] [8]}

Distribution and abundance

Bidens tripartita is native to much of Eurasia, North Africa, and North America, with naturalized populations in Australia and on some Pacific Islands. ^{[4] [5] [6] [7] [8]} Bidens tripartita is considered relatively rare in southwestern British Columbia and was likely introduced from eastern North America and Europe. ^[9]

Morphology

Bidens tripartita is an annual species with rigid stems and fibrous roots. Leaves are often deeply lobed. Flower heads are discoid and lacking ray flowers. Fruits are achenes. ^[9]

Subspecies and varieties

• Bidens tripartita subsp. bullatus(L.) Rouy
• Bidens tripartita var. repens(D.Don) Sherff
• Bidens tripartita subsp. tripartita
• Bidens tripartita var. tripartita ^[2]

Photo gallery

• 
• 
• 
• 
• 
• 
• 

References

1. Lansdown, R.V. (2014). "Bidens tripartita". IUCN Red List of Threatened Species . 2014: e.T168750A42337582. doi: 10.2305/IUCN.UK.2014-1.RLTS.T168750A42337582.en . Retrieved 31 July 2023.
2. The Plant List, Bidens tripartita L.
3. Lee, Sangtae; Chang, Kae Sun, eds. (2015). English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. p. 374. ISBN   978-89-97450-98-5 . Retrieved 7 March 2019– via Korea Forest Service.
4. "Bidens tripartita". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 1 January 2018.
5. "Bidens tripartita Linnaeus". Flora of North America .
6. Flora of China, 狼杷草 lang pa cao, Bidens tripartita Linnaeus, Sp. Pl. 2: 831. 1753
7. Altervist Flora Italiana, Forbicina comune, Bidens tripartita L. includes photos, drawings, European distribution map
8. "Atlas of Living Australia". Archived from the original on 2016-03-31. Retrieved 2015-05-28.
9. "E-Flora BC Atlas Page". linnet.geog.ubc.ca. Retrieved 2022-12-11.