Eurybia schreberi (Nees) Nees (Q2246)
Eurybia schreberi is a taxon with the rank species within the genus Eurybia
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Eurybia schreberi (Nees) Nees
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Eurybia schreberi is a taxon with the rank species within the genus Eurybia
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taxon/id/Eurybia schreberi (Nees) Nees
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Eurybia schreberi (Nees) Nees
Eurybia schreberi
(Nees) Nees
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-ON
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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/
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US-IN
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US-MD
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US-MA
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US-MI
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US-NH
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US-NJ
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US-NY
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US-OH
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US-PA
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Plants (20–) 40–110 cm, in ± dense clones (with sterile rosettes on short rhizomeds);
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rhizomes branched, long.
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Stems 1, erect, simple, straight, proximally glabrous or sparsely villous, distally densely villous.
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Leaves basal and cauline, margins coarsely serrate (proximal) to serrate (distal), strigoso-ciliate, teeth (15–30 per side) mucronulate, apices acuminate, abaxial faces sparsely strigose, long-stipitate-glandular on veins, adaxial sparsely villous, more densely so on veins;
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basal withering by flowering, petiolate (55–180 mm), bases sheathing, blades broadly ovate, 55–110 × 48–95 mm, bases cordate (with mostly deep, rectangular sinuses);
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cauline petiolate to (distal) subsessile, petioles (4–100 mm) ± winged, ± clasping, blades ovate to broadly lanceolate, 27–135 × 7–112 mm, bases cordate (sinuses narrower) to rounded or cuneate-rounded;
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distal (arrays) sessile, ovate to lanceolate, 6–70 × 1–27 mm.
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Heads 15–100+ in flat-topped, corymbiform arrays.
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Peduncles sparsely to moderately villous, sparsely glandular;
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bracts 0–1, linear.
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Involucres cylindro-campanulate, 5.5–7.5 mm, equal to or shorter than pappi.
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Phyllaries 23–32 in 4–5 series, oblong (outer) to lanceolate (inner), strongly unequal, bases indurate, dark green zones in distal 1/4 or less (outer), often confined to narrow strip along midnerves or none (inner), margins narrowly scarious, densely villoso-ciliate, apices ± loose, obtuse to rounded, faces glabrous or sparsely villosulous, sometimes sparsely stipitate-glandular.
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Ray-florets 6–12;
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corollas white, 10.5–13 × 1.5–2.1 mm.
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Disc-florets 12–20 (–30);
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corollas yellow, 5–6.8 mm, slightly ampliate, tubes (3.2–3.8 mm) longer than campanulate throats (1.1–1.9 mm), lobes erect to slightly spreading, lanceolate, (0.9–) 1.1–1.5 (–1.9) mm.
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Cypselae brown, fusiform to cylindro-obconic, compressed, 3.2–3.7 mm, ribs 6–12, faces glabrous or sparsely strigillose;
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pappi of (65–70) orangish to burnt orange (fine, barbellulate, sometimes apically clavellate) bristles 5–6.8 mm, ± equaling disc corolla.
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long-stipitate-glandular
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cordate
rounded or cuneate-rounded
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stipitate-glandular
sometimes sparsely
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