THC Science

Bidens tripartita
Conservation status
	; Least Concern (IUCN 3.1)
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
	Synonymy Bidens acuta (Wiegand) Britton ; Bidens orientalis Velen. ; Bidens shimadai Hayata ; Bidens bullata L., syn of subsp. bullatus ; Bidens hirtus Godr., syn of subsp. bullatus ; Bidens repens D.Don, syn of var. repens ; Bidens trifida Buch.-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[edit]

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[edit]

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[edit]

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

Photo gallery[edit]

References[edit]

^ 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.
^ ^a ^b The Plant List, Bidens tripartita L.
^ 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.
^ ^a ^b "Bidens tripartita". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 1 January 2018.
^ ^a ^b "Bidens tripartita Linnaeus". Flora of North America.
^ ^a ^b Flora of China, 狼杷草 lang pa cao, Bidens tripartita Linnaeus, Sp. Pl. 2: 831. 1753
^ ^a ^b Altervist Flora Italiana, Forbicina comune, Bidens tripartita L. includes photos, drawings, European distribution map
^ ^a ^b "Atlas of Living Australia". Archived from the original on 2016-03-31. Retrieved 2015-05-28.
^ ^a ^b "E-Flora BC Atlas Page". linnet.geog.ubc.ca. Retrieved 2022-12-11.

External links[edit]

[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.

[e-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.

[:0-4] "Bidens tripartita". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 1 January 2018.

[:1-5] "Bidens tripartita Linnaeus". Flora of North America.

[:2-6] Flora of China, 狼杷草 lang pa cao, Bidens tripartita Linnaeus, Sp. Pl. 2: 831. 1753

[:3-7] Altervist Flora Italiana, Forbicina comune, Bidens tripartita L. includes photos, drawings, European distribution map

[:4-8] "Atlas of Living Australia". Archived from the original on 2016-03-31. Retrieved 2015-05-28.

[:5-9] "E-Flora BC Atlas Page". linnet.geog.ubc.ca. Retrieved 2022-12-11.

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