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Bidens frondosa L.
Devils beggartick

Life   Plantae   Dicotyledoneae   Asteraceae   Bidens

Bidens frondosa
© Les Mehrhoff, 2008-2010 · 5
Bidens frondosa

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Bidens frondosa
© Copyright Sheryl Pollock 2011 · 5
Bidens frondosa
Bidens frondosa
© Les Mehrhoff, 2008-2010 · 4
Bidens frondosa

Bidens frondosa, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens frondosa, whole plant - in flower - general view
Bidens frondosa, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens frondosa, inflorescence - whole - unspecified

Bidens frondosa, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens frondosa, leaf - basal or on lower stem
Bidens frondosa, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens frondosa, stem - showing leaf bases

Bidens frondosa, leaf - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens frondosa, leaf - unspecified
Bidens frondosa, seed
© Copyright Seeds USID 2015 · 1
Bidens frondosa, seed

Associates · map
FamilyScientific name @ source (records)
Aphididae  Aphis ( @ NCSU_ENT (6)

Uroleucon ( @ NCSU (8)
Apidae  Bombus vagans @ AMNH_BEE (1)
Botryosphaeriaceae  Phyllosticta decidua @ BPI (1)
Dermateaceae  Mollisia atrata @ BPI (1)
Entylomataceae  Entyloma compositarum @ BPI (1)

Entyloma frondosa @ BPI (1)

Entyloma guaraniticum @ BPI (1)
Erysiphaceae  Erysiphe cichoracearum @ BPI (3)

Erysiphe polygoni @ BPI (1)

Sphaerotheca castagnei @ BPI (20)

Sphaerotheca fuscata @ BPI (1)

Sphaerotheca humuli @ 604331B (1); 604331C (1); 604331A (1); BPI (62)
Miridae  Lygus lineolaris @ MEMU_ENT (2)
Mycosphaerellaceae  Cercospora umbrata @ 442087B (1); BPI (6); 442087A (1)

Ramularia concomitans @ BPI (3)

Septocylindrium concomitans @ BPI (5)
Pentatomidae  Perillus bioculatus @ AMNH_IZC (8)
Peronosporaceae  Peronospora halstedii @ BPI (1)

Plasmopara halstedii @ BPI (38)
Protomycetaceae  Protomyces gravidus @ BPI (2)
Pucciniaceae  Puccinia obtecta @ BPI (4)
_  Brachonidae @ PN- (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Bidens frondosa L. Devil's Tick-seed
Asteraceae — Aster family
Bidens frondosa
Bucktoe Creek Preserve
September 2009

Guide to Bidens of Delaware

More information on this plant, from other sources.

Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Bidens frondosa L.

Bidens frondosa plant

Family - Asteraceae

Stems - From fibrous roots, stout, erect, herbaceous, to +/-2m tall, branching, 4-angled (the angles rounded), fluted, essentially glabrous but with a few antrorse hairs in upper portions, typically purple.

Bidens frondosa stem

Leaves - Opposite, petiolate, trifoliolate. Petiole to +/-5cm long, with an adaxial groove (groove curly pubescent within), the rest of the petiole glabrous or with very sparse short pubescence. Lateral leaflets with petiolules to 5-6mm long, basally oblique. Terminal leaflet with petiolule to 2.5cm long, larger than lateral leaflets, sometimes unequally divided. All leaflets serrate, acuminate, puberulent above, pubescent below, to +10cm long, 4cm broad, light green below, deep dull green above.

Bidens frondosa leaves

Inflorescence - Loose cymose arrangement of flower heads.

Involucre - Outer series of bracts spreading, 5-8 in number, oblong-lanceolate to oblong-oblanceolate or spatulate, ciliate-margined, occasionally with a few coarse serrate teeth, to 3cm long, +/-6mm broad, antrorse pubescent below and above on midrib. Inner series to 1cm long, 8mm in diameter in flower. Inner bracts yellowish-green, subulate, erect, appressed, glabrous, to 7mm long, 3mm broad.

Bidens frondosa involucre Involucre.

Ray flowers - Absent.

Disk flowers - Corolla 3.1mm long, whitish at base, yellowish in apical 1/2, glabrous, contracted in basal 1/2, 5-lobed. Lobes acute, yellow, spreading to erect, .4mm long, papillate internally. Stamens 5, adnate at apex of contracted portion of corolla tube. Filaments glabrous, whitish, 1.3mm long. Anthers connate around style, only partially exserted, 1mm long, purplish. Style exserted, bifurcate, yellowish at apex (stigmas). Achenes antrorsely barbed, compressed, to 5mm long. Awns 2, to +3mm long, retrorsely barbed. Chaff thin, transparent, yellowish-brown at apex, to 8-9mm long, 1.1mm broad, slightly folded, glabrous.

Bidens frondosa flower

Flowering - August - October.

Habitat - Wet ground, ditches, pond margins, streambanks, waste ground, roadsides, railroads.

Origin - Native to U.S.

Other info. - This species of Bidens can be found throughout Missouri. The plant described above is B. frondosa var. frondosa f. frondosa which has the retrorse barbs on its awns. Form anomala (Porter) Fern. has barbs which are antrorse on the awns. This latter form has not been found in Missouri.
Because this species grows close to water, it is eaten by muskrats. The achenes are eaten by ducks.

Photographs taken at The Summit Conference Center, Brown Summit, NC., 9-14-01, and along the shores of the Current River, Shannon County, MO., 9-20-03.


Following modified from Plants Database, United States Department of Agriculture
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Following modified from Flora of North America
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Link to Flora of North America home
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FNA Vol. 21 Page 204 , 207, 211, 212 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Bidens

10. Bidens frondosa Linnaeus, Sp. Pl. 2: 832. 1753.

Bident feuillu

Bidens frondosa var. anomala Porter ex Fernald; B. frondosa var. caudata Sherff; B. frondosa var. pallida (Wiegand) Wiegand; B. frondosa var. stenodonta Fernald & H. St. John; B. melanocarpa Wiegand

Annuals, (10—)20—60(—180) cm. Leaves: petioles 10—40(—60) mm; blades deltate to lance-ovate overall, 30—80(—150+) × 20—60(—100+) mm, 3(—5)-foliolate, leaflets petiolulate, lanceolate to lance-ovate, (15—)35—60(—120) × (5—)10—20(—30) mm, bases cuneate, margins dentate to serrate, sometimes ciliate, apices acuminate to attenuate, faces glabrous or hirtellous. Heads usually borne singly, sometimes in 2s or 3s or in open, corymbiform arrays. Peduncles 10—40(—80+) mm. Calyculi of (5—)8(—10) ascending to spreading, spatulate or oblanceolate to linear, sometimes ± foliaceous bractlets or bracts 5—20(—60) mm, margins usually ciliate, abaxial faces glabrous or hirtellous. Involucres campanulate to hemispheric or broader, 6—9 × 7—12 mm. Phyllaries 6—12, oblong or ovate to lance-ovate, 5—9 mm. Ray florets 0 or 1—3+; laminae golden yellow, 2—3.5 mm. Disc florets 20—60(—120+); corollas ± orange, 2.5—3+ mm. Cypselae blackish to brown or stramineous, ± obcompressed, obovate to cuneate, outer 5—7 mm, inner 7—10 mm, margins antrorsely or retrorsely barbed, apices ± truncate to concave, faces usually 1-nerved, sometimes tuberculate, glabrous or sparsely hirtellous; pappi of 2 ± erect to spreading, antrorsely or retrorsely barbed awns 2—5 mm. 2 n = 24, 48, 72.

Flowering (Jun—)Aug—Sep(—Oct). Moist woods, meadows, thickets, fields, roadsides, railroads, borders of streams, ponds, sloughs, swamps, ditches; 10—2000 m; Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Sask.; Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.; Mexico; introduced, Europe.

Infusions and tinctures of Bidens frondosa are rated as outstanding herbal therapies for irritation, inflammation, pain, and bleeding of the urinary tract mucosa and are used for benign prostatic hypertrophy and increasing excretion of uric acid, decreasing the risk of gout attacks, as well as other medical uses (M. Moore 1993).

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Bidens+frondosa&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Bidens+frondosa&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
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Updated: 2018-02-24 01:09:01 gmt
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