Difference between revisions of "Bidens amplissima Greene (Q2555)"
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Latest revision as of 12:53, 24 June 2022
Bidens amplissima is a taxon with the rank species within the genus Bidens
| Language | Label | Description | Also known as |
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Bidens amplissima Greene
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Bidens amplissima is a taxon with the rank species within the genus Bidens
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Statements
taxon/id/Bidens amplissima Greene
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Bidens amplissima Greene
Bidens amplissima
Greene
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-MB
present
introduced
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Manitoba Checklist, 2002
CA-BC
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US-WA
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Leaves sessile or petioles 10–50 mm (winged);
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blades lance-elliptic to lance-oblong, 80–120 (–250) × 30–100 mm (proximal usually with 1–2 lobes near bases), bases cuneate, margins laciniate to serrate, ciliate, apices acuminate, faces glabrous.
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Heads in ± corymbiform arrays.
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Peduncles (10–) 30–70+ mm.
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Calyculi of 8–10 usually spreading, lance-linear to lanceolate, sometimes ± foliaceous bractlets or bracts 10–20 (–75) mm, margins entire or incised, ciliate, abaxial faces ± hispid at bases.
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Involucres ± hemispheric or broader, 6–10 × 18–25 mm.
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Phyllaries 13–16+, oblong to lanceovate, 6–10 mm.
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laminae yellow, 4–8 mm.
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Disc-florets 50–100+;
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corollas yellow, 2.5–3.5 mm.
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Cypselae olivaceous green, ± flattened, unequally 3–4-angled, cuneate, outer 5–6 mm, inner 6–7 mm, margins antrorsely to retrorsely barbed, apices truncate to concave, faces weakly striate, glabrous or sparsely puberulent;
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pappi 0, or of (1–) 3 (–4) suberect, retrorsely barbed awns 2–4 mm.
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foliaceous
sometimes more or less
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