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Bidens pilosa
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Bidens
Species:	B. pilosa
Binomial name
Bidens pilosa L.

Bidens pilosa is a species in the plant family Asteraceae, known as Spanish Needle. It is considered a weed in some tropical habitats. However, in some parts of the world it is a source of food.^[1]

Description

They sprout individual flowers which are small, yellow and usually contain 4 to 5 white petals. The seeds are black and contain 4-5 black burs which cling to livestock and humans.

Synonym

The plant is known under many different names:

• Afrikaans: knapsekêrel (from Kaapse kerwel, literally "Cape Chervil")Also, Black Jack.
• Bontoc: nguad, puriket
• English: broomstick, broom stuff, cobbler's pegs, devil's needles, Spanish needle. Known in Australia as farmers friends, pitchforks
• Fijian: batimadramadra, matakaro, matua kamate, mbatikalawau
• Filipino: pisau-pisau
• French: bident hérissé, herbe d'aiguille, herbe villebague, piquants noirs
• Hawaiʻian: kī, kī nehe, kī pipili, nehe
• Ibatan: dadayem
• Japanese: ko-sendangusa
• Maori (Cook Islands): kamika tuarongo, nīroa, piripiri, piripiri kerekere, piripiri nīroa
• Niuean: kofetoga (=Tongan bamboo, i.e.: junk bamboo)
• Futunan: tae puaka ("pig shit")
• Pukapukan: pilipili
• Portuguese: picão preto
• Spanish: acetillo, amor seco, arponcito, asta de cabra, bidente piloso, cacho de cabra, cadillo, hierba amarilla, masquia, mazote, papunga chipaca, pega-pega, perca, rosilla, sirvulaca
• Tahitian: piripiri (=sticker)
• Taiwan: xian feng cao (Chinese: 咸豐草)
• Tongan: fisi‘uli (=black flower)
• Chewa: Chisoso
• Tumbuka: Chidokoso
• Shona: Tsine

Medicinal uses

It's a medicinal herb in Chinese, called xian feng cao (Chinese: 咸豐草).

Phytochemicals

Okanin is a chalcone found in Bidens pilosa (Picao preto)^[2].

References

External links

• PROTAbase on Bidens pilosa
• http://www.hear.org/pier/species/bidens_pilosa.htm

From Wikispecies

Bidens pilosa

Taxonavigation

Classification System: APG II (down to family level)

Main Page
Cladus: Eukaryota
Regnum: Plantae
Cladus: Angiospermae
Cladus: Eudicots
Cladus: core eudicots
Cladus: Asterids
Cladus: Euasterids II
Ordo: Asterales
Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Coreopsideae
Genus: Bidens
Species: Bidens pilosa

Name

Bidens pilosa L.

Vernacular

References

• Species Plantarum 2:832. 1753
• USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Data from 07-Oct-06]. [1]

For more multimedia, look at Bidens pilosa on Wikimedia Commons.