Eurybia sibirica (Linnaeus) G. L. Nesom (Q2247)
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Eurybia sibirica is a taxon with the rank species within the genus Eurybia
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Eurybia sibirica (Linnaeus) G. L. Nesom
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Eurybia sibirica is a taxon with the rank species within the genus Eurybia
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Statements
taxon/id/Eurybia sibirica (Linnaeus) G.L. Nesom
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Eurybia sibirica (Linnaeus) G.L. Nesom
Eurybia sibirica
(Linnaeus) 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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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-YT
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Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
CA-NT
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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
CA-NU
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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
CA-AB
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CA-BC
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CA-NT
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CA-NU
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CA-YT
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US-AK
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US-MT
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clonal and clumped, eglandular;
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rhizomes creeping to ascending, scaly, woody with age.
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Stems 1–5+, usually ascending, sometimes decumbent, often purplish, sometimes branched basally, flexuous, proximally sparsely villous, distally usually densely villous, sometimes lanate.
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Leaves: cauline (dark green abaxially, paler grayish green adaxially), firm, ± markedly veined, margins coarsely and sometimes irregularly serrate, sometimes (distal) serrulate or entire, villoso-ciliate, teeth mucronate, slightly incurved, apices obtuse to acute, mucronate, abaxial faces glabrescent to scabridulous, sparsely villous along veins, adaxial sparsely to ± densely villous or villoso-strigose;
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proximal winged-petiolate to sessile, petiole bases sheathing, blades spatulate, obovate to oblanceolate, or ovate (smaller than mid), 9–50 × 3–22 mm, bases attenuate to tapering and (in sessile) subclasping;
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mid short-petiolate to subpetiolate or sessile, blades lanceolate to lanceovate, oblong to oblanceolate, or obovate to spatulate, 25–95 × 6–35 mm, gradually reduced distally, bases rounded or subauriculate to widely attenuate or cuneate;
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distal (arrays) sessile, lanceolate, lanceovate, or elliptic to oblanceolate, 8–60 × 1–12 mm, rapidly reduced distally.
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Heads 1–50, borne singly or in open corymbiform arrays.
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Peduncles villous;
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bracts 0–3, sometimes immediately subtending heads, lanceolate or spatulate to linear-lanceolate, leaflike or phyllary-like distally (bases indurate, margins purplish), mostly foliaceous, villous.
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Involucres campanulate, 6–9 mm, shorter than pappi.
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Phyllaries 30–80 in 3–4 (–5) series, sometimes wholly purplish, usually ± oblong-lanceolate to oblanceolate, sometimes linear-lanceolate (innermost), subequal or ± unequal, membranous, bases indurate, ± rounded, dark green zones lanceolate or truncate at base, in distal 1/3–4/5+ (outer, often foliaceous, sometimes bractlike and surpassing involucres) to 1/4–2/3 (inner), margins hyaline, often purplish, narrowly scarious, erose, densely villoso-ciliate, apices squarrose, acute, apiculate, faces villous.
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Ray-florets 12–50;
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corollas white to pale violet or purple, 7–17.5 × 0.8–1.8 mm.
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Disc-florets 25–125;
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corollas yellow becoming purplish, 5–8.1 mm, slightly ampliate, tubes longer than funnelform throats, lobes erect, triangular, 0.5–1.1 mm.
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Cypselae brown, fusiform, compressed, 2.5–3.7 mm, ribs 7–10 (stramineous), faces strigillose;
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pappi of dark cinnamon or reddish tan (sometimes apically clavellate) bristles 5.5–7.5 mm, ± equaling disc corollas.
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villous
distally usually densely
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sparsely
more or less densely villous or villoso-strigose
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obovate
oblanceolate or ovate
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obovate
oblanceolate or ovate
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short-petiolate
subpetiolate or sessile
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lanceolate
lanceovate oblong
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lanceolate
lanceovate oblong
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lanceolate
lanceovate oblong
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subauriculate
widely attenuate or cuneate
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in open corymbiform arrays
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