Asteraceae

Hairy beggarticks

Bidens pilosa L.

Family: Asteraceae
Genus: Bidens

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Hairy beggarticks (Bidens pilosa) — FlowerPhoto: poyin, CC BY 4.0, from iNaturalist

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Common names

By language (32)

Afrikaans: Wewenaar
Amharic: ጨጎጊት
Arabic: حسيكة, قسموس رقيق, قسموس شعري
arz: بايدنس بيلوزا
ban: Ketul
Cantonese: 三葉鬼針草
Chinese: 三叶鬼针草, 三葉鬼針草, 一包针, 对叉草, 引线包, 白花鬼针草, 盲肠草, 粘人草
Czech: Dvouzubec chlupatý
English: Hairy beggarticks, Beggar's tick, Blackjack, Broomstick, Cobbler's pegs, Devil's needles, Devil's pitchfork, Farmer's friend
Estonian: Karvane ruse
Finnish: Karvarusokki
German: Behaarter Zweizahn
gor: Daun Kentul
Hebrew: דו-שן שעיר
Indonesian: Ketul
Japanese: コセンダングサ
Khmer: ភិដែន
Kinyarwanda: Inyabarasanya
mad: Rebbhâ sangkap
Malayalam: സ്നേഹക്കൂറ
nan: Chhiah-cha-bó͘
Nepali: कालोकुरो, कालो कुरो
Polish: Uczep owłosiony
Portuguese: Picão preto, Picão-preto
Quechua: P'irqa
Spanish: Acetillo, Amor seco, Arponcito, Asta de cabra, Bidente piloso, Masquia, Papunga chipaca, Pega-pega
Sundanese: Hareuga
Tamil: பைடென்சு பிலோசா
Thai: ปืนนกไส้
Tongan: Fisiʻuli
Vietnamese: Xuyến chi
Welsh: Graban blewog

Synonyms

Acocotli quauhuahuacensis Hernandez
Bidens abadiae DC.
Bidens abadiae var. abadiae
Bidens abadiae var. pilosoides Sherff
Bidens abortiva Schumach. & Thonn.
Bidens adhaerescens Vell.
Bidens africana Klatt
Bidens alausensis Kunth
Bidens alba var. radiata (Sch.Bip.) Ballard ex Melchert
Bidens alba var. radiata (Sch.Bip.) R.E.Ballard
Bidens arenaria Gand.
Bidens arenicola Gand.
Bidens aurantiaca Colenso
Bidens barrancae M.E.Jones
Bidens bimucronata Turcz.
Bidens bonplandii Sch.Bip.
Bidens brachycarpa DC.
Bidens bullata var. glabrescens Fiori
Bidens bullata var. hirta (Jord.) Coste
Bidens calcicola Greenm.
Bidens californica DC.
Bidens cannabina Lam.
Bidens caracasana DC.
Bidens caucalidea DC.
Bidens cernua var. anomala Farw.
Bidens cernua var. tenuis Turcz. ex DC.
Bidens chilensis DC.
Bidens chilensis var. apiifolia DC.
Bidens chilensis var. chilensis
Bidens ciliata Hoffmanns. ex Fisch. & C.A.Mey.
Bidens coronata Fisch. ex Colla
Bidens daucifolia DC.
Bidens deamii Sherff
Bidens decussata Pav. ex DC.
Bidens decussata Pav. ex Steud.
Bidens dichotoma Desf. ex DC.
Bidens effusa Thuill. ex Sherff
Bidens exaristata DC.
Bidens fastigiata var. hispida Jord. ex Cariot & St.Lag.
Bidens heterodoxa var. orthodoxa Fernald

and 107 more.

Flowers

In flower: all year (from 7,462 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Annual
In the US and Canada: Canada: introduced, Hawaii: introduced, Lower 48 states: introduced, Pacific Basin: introduced, Puerto Rico: introduced, U.S. Virgin Islands: introduced

Photos

FlowerPhoto: poyin, CC BY 4.0, from iNaturalist
Photo: Wiki Farazi, CC0, from Wikimedia Commons
Photo: Takaaki Hattori, CC BY 4.0, from iNaturalist
Photo: Prenn, CC BY-SA 3.0, from Wikimedia Commons
Photo: Elizabete Marchante, CC BY 4.0, from iNaturalist
Photo: Prenn, CC BY-SA 3.0, from Wikimedia Commons
Photo: zebedeugalinha, CC BY 4.0, from iNaturalist
Photo: Prenn, CC BY-SA 3.0, from Wikimedia Commons
Photo: insiderelic, CC0, from iNaturalist
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons

More in Bidens

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.