Bidens pilosa Linnaeus (Q2566)
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Bidens pilosa is a taxon with the rank species within the genus Bidens
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Bidens pilosa Linnaeus
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Bidens pilosa is a taxon with the rank species within the genus Bidens
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Statements
taxon/id/Bidens pilosa Linnaeus
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Bidens pilosa Linnaeus
Bidens pilosa
Linnaeus
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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CA-BC
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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-ON
present
introduced
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Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
CA-QC
present
introduced
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-ON
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CA-QC
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US-AL
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US-AZ
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US-CA
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US-CT
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US-FL
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US-GA
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US-KY
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US-LA
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US-MD
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US-MA
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US-MS
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US-MO
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US-NM
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US-NC
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US-PA
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US-SC
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US-TX
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10–1900 m
10 meter
1,900 meter
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Leaves: petioles 10–30 (–70) mm;
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blades either ovate to lanceolate, 30–70 (–120) × 12–18 (–45) mm, or 1-pinnately lobed, primary lobes 3–7, ovate to lanceolate [linear], (10–) 25–80+ × (5–) 10–40+ mm [blades 2 (–3) -pinnatisect], bases truncate to cuneate, ultimate margins serrate or entire, usually ciliate, apices acute to attenuate, faces pilosulous to sparsely hirtellous or glabrate.
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Heads usually borne singly, sometimes in open, ± corymbiform arrays.
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Peduncles 10–20 (–90) mm.
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Calyculi (6–) 7–9 (–13) ± appressed, spatulate to linear bractlets (3–) 4–5 mm, margins ciliate, abaxial faces usually hispidulous to puberulent.
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Involucres turbinate to campanulate, 5–6 × (6–) 7–8 mm.
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Phyllaries (7–) 8–9 (–13), lanceolate to oblanceolate, 4–6 mm.
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Ray-florets 0 or (3–) 5–8+;
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laminae whitish to pinkish [yellowish], 2–3 or 7–15+ mm.
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Disc-florets 20–40 (–80+);
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corollas yellowish, (2–) 3–5 mm.
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Cypselae: outer redbrown, ± flat, linear to narrowly cuneate, (3–) 4–5+ mm, margins antrorsely hispidulous, apices ± truncate or somewhat attenuate, faces obscurely 2-grooved, sometimes tuberculate-hispidulous;
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inner blackish, ± equally 4-angled, linear-fusiform, 7–16 mm, margins antrorsely hispidulous, apices ± attenuate, faces 2-grooved, tuberculate-hispidulous to sparsely strigillose;
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pappi 0, or of 2–3 (–5), erect to divergent, retrorsely barbed awns (0.5–) 2–4 mm. 2n = 24, 36, 48, 72.
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pilosulous
sparsely hirtellous or glabrate
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usually hispidulous
puberulent
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tuberculate-hispidulous
sometimes
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tuberculate-hispidulous
sparsely strigillose
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4-angled
more or less equally
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