Symphyotrichum bracteolatum (Nuttall) G. L. Nesom (Q2498)
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Symphyotrichum bracteolatum is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Symphyotrichum bracteolatum (Nuttall) G. L. Nesom
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Symphyotrichum bracteolatum is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Statements
taxon/id/Symphyotrichum bracteolatum (Nuttall) G.L. Nesom
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Symphyotrichum bracteolatum (Nuttall) G.L. Nesom
Symphyotrichum bracteolatum
(Nuttall) G.L. Nesom
Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on 2014-01-15]
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-AB
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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-SK
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Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-AB
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CA-BC
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CA-SK
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US-AZ
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US-CA
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US-CO
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US-ID
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US-MT
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US-NV
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US-NM
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US-OR
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US-UT
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US-WA
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US-WY
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500–3100 m
500 meter
3,100 meter
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Stems 1–10+, ascending to erect, glabrous or sparsely puberulent.
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Leaves thin, margins entire or sometimes serrate, apices acute;
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basal withering by flowering, petiolate, blades narrowly lanceolate, 60–200 × 10–20 mm, attenuate or cuneate, margins usually entire, sometimes serrate, apices acute, faces glabrous or sparsely puberulent;
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proximalmost cauline sometimes withering by flowering, sessile, blades narrowly lanceolate, 50–150 × 8–25 mm, bases cuneate, often auriculate, apices acute;
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distal sessile, blades linear to narrowly lanceolate, 20–120 × 3–20 mm, bases cuneate, often auriculate, apices acute.
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Heads in racemiform to narrow, paniculiform arrays, branches usually to 10 cm.
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Peduncles sparsely hairy, bracts linear to lanceolate.
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Involucres campanulate, 5–8 mm.
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Phyllaries in 3–5 series, often spreading, oblanceolate (outer) to linear (inner), subequal, outer indurate less than 1/2, bases outer variable, inner scarious, margins entire, scabrous to ciliolate, green zones oblanceolate to elliptic, apices acute to obtuse, often spreading, faces glabrous or sparsely puberulent.
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Ray-florets 20–40;
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corollas white to pink, laminae 7–15 × 1–2 mm.
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Disc-florets 35–60+;
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corollas yellow, 4.5–5 mm, lobes triangular, 0.5–0.75 mm.
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Cypselae brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, 1–2-nerved, faces hairy;
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pappi white, 5–6 mm. 2n = 16, 32, 48, 64.
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