View source for Bidens polylepis

{{Treatment/ID
|accepted_name=Bidens polylepis
|accepted_authority=S. F. Blake
|publications={{Treatment/Publication
|title=Proc. Biol. Soc. Wash.
|place=35: 78. 1922
|year=1922
}}
|basionyms={{Treatment/ID/Basionym
|name=Coreopsis involucrata
|authority=Nuttall
|publication_title=J. Acad. Nat. Sci. Philadelphia
|publication_place=7: 74. 1834,
}}
|synonyms={{Treatment/ID/Synonym
|name=B. polylepis var. retrorsa
|authority=Sherff
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Coreopsidinae;Bidens;Bidens polylepis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Coreopsidinae]]</div><div class="higher-taxon"><small>genus</small>[[Bidens]]</div><div class="higher-taxon"><small>species</small>[[Bidens polylepis]]</div></div>
|volume=Volume 21
|mention_page=page 185, 206, 207
|treatment_page=page 214
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>(biennials), 30–100+ cm. <b>Leaves</b>: petioles 5–30 mm; blades ± deltate to ovate overall, 40–80(–150+) × 25–50(–80+) mm, usually laciniately 1-pinnatisect, ultimate lobes 3(–7), lanceolate to linear, 25–60(–120+) × (3–)6–20(–25) mm, bases cuneate, ultimate margins incised, dentate, or serrate, ciliate, apices acute to attenuate, faces glabrous or hirtellous to scabrellous. <b>Heads</b> borne singly or in 2s or 3s or in open, ± corymbiform arrays. <b>Peduncles</b> 10–20(–50) mm. <b>Calyculi</b> of 12–21+ spreading to reflexed, linear, seldom foliaceous bractlets (6–)8–12(–20+) mm, margins coarsely ciliate, abaxial faces glabrous or scabrellous. <b>Involucres</b> turbinate to hemispheric, 4–5 × 6–10 mm. <b>Phyllaries</b> 6–8+, lance-ovate to lanceolate, 4–7 mm. <b>Ray</b> florets 8; laminae golden yellow, 10–25+ mm. <b>Disc</b> florets (40–)60–100+; corollas yellow, 2.5–3 mm. <b>Cypselae</b> blackish or brown to yellowish, ± flattened, obovate or oblanceolate to cuneate, outer 5–7 mm, inner 7–8 mm (lengths mostly 1.5–2.5 widths), margins (± corky-winged) antrorsely barbed or ciliate, apices ± truncate, faces glabrous or strigillose, sometimes tuberculate; pappi 0, or of 2 divergent, retrorsely barbed awns or ± deltate scales 0.1–0.5(–1.5) mm. <b>2n</b> = 24.</span><!--

-->{{Treatment/Body
|phenology=Flowering Aug–Oct.
|habitat=Marshes, bogs, flood plains, disturbed sites
|elevation=10–1500 m
|distribution=Ont.;Ala.;Ark.;Colo.;Ill.;Ind.;Iowa;Kans.;La.;Md.;Mich.;Mo.;Nebr.;N.J.;N.Mex.;N.C.;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Bidens polylepis
|author=
|authority=S. F. Blake
|rank=species
|parent rank=genus
|synonyms=B. polylepis var. retrorsa
|basionyms=Coreopsis involucrata
|family=Asteraceae
|phenology=Flowering Aug–Oct.
|habitat=Marshes, bogs, flood plains, disturbed sites
|elevation=10–1500 m
|distribution=Ont.;Ala.;Ark.;Colo.;Ill.;Ind.;Iowa;Kans.;La.;Md.;Mich.;Mo.;Nebr.;N.J.;N.Mex.;N.C.;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.
|reference=None
|publication title=Proc. Biol. Soc. Wash.
|publication year=1922
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_521.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae
|genus=Bidens
|species=Bidens polylepis
}}<!--

-->[[Category:Treatment]][[Category:Bidens]]