View source for Bidens aurea

{{Treatment/ID
|accepted_name=Bidens aurea
|accepted_authority=(Aiton) Sherff
|publications={{Treatment/Publication
|title=Bot. Gaz.
|place=59: 313. 1915
|year=1915
}}
|basionyms={{Treatment/ID/Basionym
|name=Coreopsis aurea
|authority=Aiton
|rank=species
|publication_title=Hort. Kew.
|publication_place=3: 252. 1789
}}
|synonyms={{Treatment/ID/Synonym
|name=Bidens aurea var. wrightii
|authority=(A. Gray) Sherff
|rank=variety
}} {{Treatment/ID/Synonym
|name=Bidens ferulifolia
|authority=
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Coreopsidinae;Bidens;Bidens aurea
|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 aurea]]</div></div>
|volume=Volume 21
|mention_page=page 207
|treatment_page=page 213
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>[perennials], (10–)50–100[–250] cm. <b>Leaves</b>: petioles 20–40 mm; blades deltate or lanceolate to lance-linear overall, (30–)50–120(–220) × 10–50(–150) mm, sometimes either 1-pinnately lobed, primary lobes 3–5+, lanceolate to lance-linear, 30–120 × 3–25+ mm, or 2-pinnatisect, ultimate lobes linear, 5–30 × 1–2+ mm, bases truncate to cuneate, ultimate margins entire or serrate, seldom ciliate, apices obtuse to acuminate, faces glabrous or puberulent. <b>Heads</b> in ± corymbiform arrays. <b>Peduncles</b> (10–)40–60+ mm. <b>Calyculi</b> of 8–12(–17) usually erect, linear, seldom foliaceous bractlets 3–6 mm, margins ciliate, abaxial faces usually glabrous, sometimes hispidulous at bases. <b>Involucres</b> campanulate to hemispheric, 4–6 × 5–10 mm. <b>Phyllaries</b> 8–12, ovate to lanceolate, 4–5(–7) mm (margins usually yellow). <b>Ray</b> florets 5–6; laminae yellow, 10–30 mm. <b>Disc</b> florets 12–30(–60+); corollas yellowish, 3–4 mm. <b>Cypselae</b> dark brown to blackish, ± flattened, sometimes unequally 3–4-angled, ± linear, outer 4–6 mm, inner 5–7 mm, margins not barbed or ciliate, apices truncate, faces weakly 2-grooved, glabrous or sparsely strigillose, sometimes tuberculate; pappi 0, or of (1–)2(–4) erect to spreading, retrorsely barbed awns (1–)1.5–4 mm. <b>2n</b> = 24 (Mexico).</span><!--

-->{{Treatment/Body
|phenology=Flowering mostly Aug–Sep.
|habitat=Marshes, borders of streams, other wet sites
|elevation=900–2000 m
|distribution=Ariz.;Mexico;Central America;introduced in Europe.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Bidens aurea
|authority=(Aiton) Sherff
|rank=species
|parent rank=genus
|synonyms=Bidens aurea var. wrightii;Bidens ferulifolia
|basionyms=Coreopsis aurea
|family=Asteraceae
|phenology=Flowering mostly Aug–Sep.
|habitat=Marshes, borders of streams, other wet sites
|elevation=900–2000 m
|distribution=Ariz.;Mexico;Central America;introduced in Europe.
|reference=None
|publication title=Bot. Gaz.
|publication year=1915
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_517.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae
|genus=Bidens
|species=Bidens aurea
}}<!--

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