Bidens tripartita

Bidens tripartita is a common and widespread species of flowering plant in the sunflower family, Asteraceae, commonly known as three-lobe beggarticks,[2] 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.[3][4][5][6][7]

Bidens tripartita
Bidens tripartita Billeder af nordens flora.png

Secure (NatureServe)
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Bidens
Species:
B. tripartita
Binomial name
Bidens tripartita
Synonyms[1]
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

Distribution and abundanceEdit

Bidens tripartita is native to much of Eurasia, North Africa, and North America, with naturalized populations in Australia and on some Pacific Islands.[3][4][5][6][7] Bidens tripartita is considered relatively rare in southwestern British Columbia and was likely introduced from eastern North America and Europe.[8]

MorphologyEdit

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.[8]

Subspecies and varietiesEdit

  • Bidens tripartita subsp. bullatus (L.) Rouy
  • Bidens tripartita var. repens (D.Don) Sherff
  • Bidens tripartita subsp. tripartita
  • Bidens tripartita var. tripartita[1]

Photo galleryEdit

ReferencesEdit

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

External linksEdit