[Grubben, G.J.H. & Denton, O.A. (2004) Plant Resources of Tropical Africa 2. Vegetables. PROTA Foundation, Wageningen; Backhuys, Leiden; CTA, Wageningen.] ]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.
The plant is known under many different names:
*Afrikaans: knapsekêrel (from Kaapse kerwel, literally "Cape Chervil")Also, Black Jack.
*Bontoc: nguad, puriket
*English: broom stick, broom stuff, cobbler's pegs, devil's needles. Known in Australia as farmers friends, pitchforks, etc
*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
*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)
*Tongan: fisi‘uli (=black flower)
References
Sisilia Ralulu ....P [ii] nat [ii]
External links
* [http://database.prota.org/dbtw-wpd/exec/dbtwpub.dll?AC=QBE_QUERY&BU=http%3A%2F%2Fdatabase.prota.org%2Fsearch.htm&TN=PROTAB~1&QB0=AND&QF0=Species+Code&QI0=Bidens+pilosa&RF=Webdisplay PROTAbase on "Bidens pilosa"]
*http://www.hear.org/pier/species/bidens_pilosa.htm