Kingdom:
Phylum:
Angiosperms
Order:
Asterales
Family:
Genus:
Species:
pilosa
ID:
116614

Status:
valid

Authors:
L.

Source:
gcc

Year:
1753

Citation Micro:
Sp. Pl. : 832 (1753)

WFO Identifier:
wfo-0000115943



Common Names

  • Bidens pilosa
  • Blackjack
  • Beggarticks


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Synonyms

  • Bidens alausensis Kunth [unknown]
  • Bidens tripartita pumila Retz. [unknown]
  • Bidens pilosa pilosior Kuntze [unknown]
  • Bidens pilosa dissecta Sherff [unknown]
  • Bidens pilosa leucantha (L.) Harvey [unknown]
  • Bidens leucanthema discoidea Sch.Bip. [unknown]
  • Bidens pilosa monophylla Sherff [unknown]
  • Bidens heterodoxa orthodoxa Fernald [unknown]
  • Bidens abadiae abadiae [unknown]
  • Bidens pilosa dondiifolia Sherff [unknown]
  • Bidens hirsuta Nutt. [unknown]
  • Bidens odorata Coville [unknown]
  • Bidens pinnata Noronha [unknown]
  • Bidens pilosa simplex Sherff [unknown]
  • Bidens barrancae M.E.Jones [unknown]
  • Bidens odorata Cav. [unknown]
  • Kerneria pilosa pilosa [unknown]
  • Bidens pilosa pilosa [unknown]
  • Bidens leucantha leucantha [unknown]
  • Bidens pilosa bimucronata O.E.Schulz [unknown]
  • Bidens chilensis chilensis [unknown]
  • Bidens hispida Kunth [unknown]
  • Bidens pilosa humilis (Walp.) Reiche [unknown]
  • Bidens bullata glabrescens Fiori [unknown]
  • Bidens pilosa calcicola Sherff [unknown]
  • Coreopsis leucantha L. [unknown]
  • Bidens tripartita integrifolia Wirtg. [unknown]
  • Bidens scandicina Kunth [unknown]
  • Bidens leucanthema sundaica (Blume) Hassk. [unknown]
  • Bidens tripartita hispida Cariot & St.-Lag. [unknown]
  • Bidens bullata hirta (Jord.) Coste [unknown]
  • Bidens pilosa albiflora Maxim. [unknown]
  • Bidens montaubani Phil. [unknown]
  • Bidens tripartita latifolia Rouy [unknown]
  • Bidens orendainae M.E.Jones [unknown]
  • Bidens pilosa discoidea Sch.Bip. [unknown]
  • Kerneria pilosa (L.) Lowe [unknown]
  • Bidens tripartita Bojer [unknown]
  • Bidens sundaica minor Blume [unknown]
  • Bidens leucanthema pilosa (L.) Griseb. [unknown]
  • Bidens alba radiata (Sch.Bip.) Ballard ex Melchert [deprecated]
  • Bidens tripartita discoidea Wimm. [unknown]
  • Bidens pilosa bimucronata (Turcz.) Sch.Bip. [unknown]
  • Bidens abadiae pilosoides Sherff [unknown]
  • Bidens tripartita radiata Wimm. [unknown]
  • Coreopsis multifida multifida [unknown]
  • Bidens leucantha pilosa (L.) Griseb. [unknown]
  • Bidens cernua tenuis Turcz. ex DC. [unknown]
  • Bidens pilosa radiata (Sch.Bip.) Sherff [deprecated]
  • Bidens leucantha sundaica (Blume) Hassk. [unknown]
  • Bidens tripartita integra Peterm. [unknown]
  • Bidens rosea calcicola Greenm. [unknown]
  • Bidens tripartita hirta (Jord.) Sherff [unknown]
  • Bidens tripartita cannabina (Lam.) Beckh. [unknown]
  • Bidens tripartita indivisa Corb. [unknown]
  • Bidens pilosa pilosa [unknown]
  • Bidens pilosa apiifolia Sherff [unknown]
  • Bidens fastigiata hispida Jord. ex Cariot & St.Lag. [unknown]
  • Bidens odorata calcicola (Greenm.) R.E.Ballard [unknown]
  • Bidens pilosa dubia O.E.Schulz [unknown]
  • Bidens tripartita tenuis (Turcz. ex DC.) DC. [unknown]
  • Bidens pilosa brevifoliata Hieron. [unknown]
  • Bidens tripartita minor Wimm. & Grab. [unknown]
  • Bidens pilosa minor (Blume) Sherff [unknown]
  • Bidens pilosa odorata Sherff [unknown]
  • Bidens pilosa triaristata Sherff [unknown]
  • Bidens pilosa subsimplicifolius Kuntze [unknown]
  • Bidens pilosa discoidea Sch.Bip. [illegitimate]
  • Bidens pilosa ternatus Kuntze [unknown]
  • Bidens pilosa subbiternatus Kuntze [unknown]
  • Bidens pilosa pinnatus Kuntze [unknown]
  • Bidens abadiae DC. [unknown]
  • Bidens pilosa indivisa Sherff [unknown]
  • Bidens pilosa umbrosa Sherff [unknown]
  • Kerneria tetragona Moench [unknown]
  • Bidens chilensis DC. [unknown]
  • Bidens pilosa calcicola Sherff [unknown]
  • Bidens calcicola Greenm. [unknown]
  • Bidens leucanthemus (L.) E.H.L.Krause [unknown]
  • Bidens wallichii albiflora Max. ex Matsum. [unknown]
  • Bidens pilosa bimucronata Sherff [unknown]
  • Bidens reflexa Link [unknown]
  • Bidens dichotoma Desf. ex DC. [unknown]
  • Bidens leucantha discoidea Sch.Bip. [unknown]
  • Bidens pilosa scandicina Sherff [unknown]
  • Bidens pilosa minor Sherff [unknown]
  • Kerneria pilosa discoidea Lowe [illegitimate]
  • Bidens pilosa subbiternata Kuntze [unknown]
  • Bidens pilosa typica Domin [invalid]

Description

Bidens pilosa (also called Blackjack, among many other common names) is a species of flowering plant in the Asteraceae family. It is native to the Americas, and is found in disturbed areas, grasslands, and open woodlands. It is an annual herb that grows to a height of 0.5-2 meters, with alternate leaves and small yellow flowers.

Uses & Benefits

Bidens pilosa is used as a medicinal plant, as an ornamental plant, and as a source of food for livestock.

Cultivars, Varieties & Sub-species

Bidens tripartita sub. tripartita

Flower, Seeds and Seedlings

The flower of Bidens pilosa is a small yellow flower with five petals. The seed is a small, black, round seed. The seedlings are small, with one or two leaves.

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Cultivation and Propagation

Bidens pilosa is an annual plant that is best grown in full sun. It prefers moist, well-drained soils and can tolerate some drought. Propagation is by seed.

Where to Find Bidens pilosa

Bidens pilosa is native to tropical and subtropical regions of the Americas, Africa, and Asia. It can be found in disturbed areas, roadsides, and waste places.

Bidens pilosa FAQ

What are the common names of Bidens pilosa?

Bidens pilosa is commonly known as Beggar's Ticks, Spanish Needles, or Black Jack.

Where does Bidens pilosa grow?

Bidens pilosa is native to tropical and subtropical regions around the world.

What is the ideal climate for Bidens pilosa?

Bidens pilosa prefers a warm climate with plenty of sunshine and well-drained soil.

Species in the Bidens genus

Bidens alba, Bidens molokaiensis, Bidens oligoflora, Bidens steppia, Bidens pseudalausensis, Bidens cosmoides, Bidens cernua, Bidens ghedoensis, Bidens discoidea, Bidens trichosperma, Bidens ekmanii, Bidens gracillima, Bidens urceolata, Bidens anthemoides, Bidens micrantha, Bidens blakei, Bidens laevis, Bidens oblonga, Bidens torta, Bidens odora, Bidens triplinervia, Bidens leucocephala, Bidens valida, Bidens mooreensis, Bidens deltoidea, Bidens andongensis, Bidens kamerunensis, Bidens saltillensis, Bidens gentryi, Bidens aoraiensis, Bidens mexicana, Bidens connata, Bidens ferulifolia, Bidens setigera, Bidens mathewsii, Bidens cynapiifolia, Bidens andicola, Bidens socorrensis, Bidens macrocarpa, Bidens prestinaria, Bidens bigelovii, Bidens colimana, Bidens parviflora, Bidens kamtschatica, Bidens collina, Bidens pringlei, Bidens barteri, Bidens negriana, Bidens fischeri, Bidens vincifolia,

Species in the Asteraceae family

Aaronsohnia pubescens, Aaronsohnia factorovskyi, Abrotanella filiformis, Abrotanella rostrata, Abrotanella linearis, Abrotanella trilobata, Abrotanella muscosa, Abrotanella inconspicua, Abrotanella trichoachaenia, Abrotanella caespitosa, Abrotanella nivigena, Abrotanella pusilla, Abrotanella linearifolia, Abrotanella papuana, Abrotanella rosulata, Abrotanella emarginata, Abrotanella fertilis, Abrotanella spathulata, Abrotanella purpurea, Abrotanella patearoa, Abrotanella submarginata, Abrotanella diemii, Abrotanella scapigera, Abrotanella forsterioides, Acamptopappus shockleyi, Acamptopappus sphaerocephalus, Acanthocephalus benthamianus, Acanthocephalus amplexifolius, Acanthocladium dockeri, Acanthodesmos distichus, Acanthodesmos gibarensis, Acanthospermum humile, Acanthospermum consobrinum, Acanthospermum glabratum, Acanthospermum microcarpum, Acanthospermum hispidum, Acanthospermum australe, Acanthospermum lecocarpoides, Acanthostyles buniifolius, Acanthostyles saucechicoensis, Achillea buiana, Achillea conrathii, Achillea cucullata, Achillea styriaca, Achillea clavennae, Achillea cappadocica, Achillea huber-morathii, Achillea ptarmicoides, Achillea sieheana, Achillea barrelieri,

References