Difference between revisions of "Bidens frondosa"
Sp. Pl. 2: 832. 1753.
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|name=Bidens frondosa var. anomala | |name=Bidens frondosa var. anomala | ||
|authority=Porter ex Fernald | |authority=Porter ex Fernald | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Bidens frondosa var. caudata | |name=Bidens frondosa var. caudata | ||
|authority=Sherff | |authority=Sherff | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Bidens frondosa var. pallida | |name=Bidens frondosa var. pallida | ||
|authority=(Wiegand) Wiegand | |authority=(Wiegand) Wiegand | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Bidens frondosa var. stenodonta | |name=Bidens frondosa var. stenodonta | ||
|authority=Fernald & H. St. John | |authority=Fernald & H. St. John | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Bidens melanocarpa | |name=Bidens melanocarpa | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Coreopsidinae;Bidens;Bidens frondosa | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Coreopsidinae;Bidens;Bidens frondosa | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Bidens frondosa | name=Bidens frondosa | ||
| − | |||
|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication year=1753 | |publication year=1753 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_515.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Revision as of 19:37, 16 December 2019
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. 2n = 24, 48, 72.
Phenology: Flowering (Jun–)Aug–Sep(–Oct).
Habitat: Moist woods, meadows, thickets, fields, roadsides, railroads, borders of streams, ponds, sloughs, swamps, ditches
Elevation: 10–2000 m
Distribution
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, Europe.
Discussion
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).
Selected References
None.