Symphyotrichum chilense (Nees) G. L. Nesom (Q2486)
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Symphyotrichum chilense is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Symphyotrichum chilense (Nees) G. L. Nesom
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Symphyotrichum chilense is a taxon with the rank species within the section Symphyotrichum sect. Occidentales
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Statements
taxon/id/Symphyotrichum chilense (Nees) G.L. Nesom
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Symphyotrichum chilense (Nees) G.L. Nesom
Symphyotrichum chilense
(Nees) G.L. Nesom
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-SK
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Harms, V.L. 2003. Checklist of the Vascular Plants of Saskatchewan and the provincially and nationally rare native plants in Saskatchewan. University of Saskatchewan, University Extension Press.
CA-BC
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US-CA
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US-OR
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US-WA
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Stems 1–5+, ascending or erect, glabrous or hirsute.
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Leaves thin, margins entire, apices usually acute, faces glabrous or sparsely puberulent;
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basal withering by flowering, petiolate, blades (linear-) oblanceolate to obovate, 30–200 × 4–40 mm, bases attenuate, margins entire to finely serrate, apices acute;
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proximalmost cauline sometimes withering by flowering, sessile, blades broadly to narrowly oblanceolate, 40–150 × 5–30 mm, bases usually ± attenuate or cuneate;
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distal sessile, blades lanceolate to oblanceolate, 25–90 × 5–30 mm, bases cuneate.
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Heads in open, paniculiform arrays, some branches at least 20+ cm.
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Peduncles puberulent, bracts 3–10, lanceolate to elliptic, margins often scabrous to ciliolate.
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Involucres campanulate, 5–8 mm.
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Phyllaries in 3–5 series, oblanceolate or oblong (outer) to linear (inner), unequal to subequal (outer usually shorter than inner, if so, lengths less than 3 times widths), bases scarious (outer) less than 1/2 or sometimes wholly foliaceous, inner scarious, margins eciliate or ciliolate, green zones oblanceolate to obovate or linear (innermost), apices (outer) obtuse, (inner) acute, faces glabrous or puberulent.
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Ray-florets 15–40;
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corollas violet, laminae 9–15 × 1.5–2.5 mm.
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Disc-florets 35–60+;
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corollas yellow, 4–8 mm, lobes triangular, 0.5–1 mm.
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Cypselae brown, cylindric to obovoid, not compressed, 3.5–4.5 mm, 2–4-nerved, faces hairy;
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pappi white to tawny, 4–8 mm. 2n = 48, 64, 96.
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attenuate
usually more or less
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