Difference between revisions of "Bidens polylepis S. F. Blake (Q2567)"
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Latest revision as of 12:53, 24 June 2022
Bidens polylepis is a taxon with the rank species within the genus Bidens
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Bidens polylepis S. F. Blake
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Bidens polylepis is a taxon with the rank species within the genus Bidens
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taxon/id/Bidens polylepis S.F. Blake
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Bidens polylepis S.F. Blake
Bidens polylepis
S.F. Blake
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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long-bracted tickseed-sunflower (English)
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CA-ON
irregular
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-ON
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US-AL
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US-AR
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US-CO
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US-IL
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US-IN
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US-IA
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US-KS
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US-LA
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US-MD
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US-MI
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US-MO
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US-NE
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US-NJ
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US-NM
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US-NC
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US-OK
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US-PA
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US-SC
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US-TN
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US-TX
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US-VA
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10–1500 m
10 meter
1,500 meter
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Leaves: petioles 5–30 mm;
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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.
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Heads borne singly or in 2s or 3s or in open, ± corymbiform arrays.
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Peduncles 10–20 (–50) mm.
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Calyculi of 12–21+ spreading to reflexed, linear, seldom foliaceous bractlets (6–) 8–12 (–20+) mm, margins coarsely ciliate, abaxial faces glabrous or scabrellous.
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Involucres turbinate to hemispheric, 4–5 × 6–10 mm.
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Phyllaries 6–8+, lanceovate to lanceolate, 4–7 mm.
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laminae golden yellow, 10–25+ mm.
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Disc-florets (40–) 60–100+;
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corollas yellow, 2.5–3 mm.
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Cypselae 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;
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pappi 0, or of 2 divergent, retrorsely barbed awns or ± deltate scales 0.1–0.5 (–1.5) mm.
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1-pinnatisect
usually laciniately
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in open , more or less corymbiform arrays
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