Eurybia (Cassini) Cassini in F. Cuvier (Q2238)
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Eurybia is a taxon with the rank genus within the tribe Astereae
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Eurybia (Cassini) Cassini in F. Cuvier
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Eurybia is a taxon with the rank genus within the tribe Astereae
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Statements
taxon/id/Eurybia (Cassini) Cassini
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Eurybia (Cassini) Cassini
Eurybia
(Cassini) Cassini
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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Stems ascending to erect, usually simple, rarely branched proximally, glabrous or ± densely hairy, usually eglandular, sometimes stipitate-glandular.
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sessile or petiolate;
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blades cordate, ovate, obovate, elliptic, or oblong to spatulate, oblanceolate, or lanceolate, usually gradually reduced distally, margins entire or serrate, sometimes spinulose-serrate, faces glabrate to hairy, usually eglandular, sometimes stipitate-glandular.
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Heads radiate, usually in corymbiform arrays, rarely borne singly.
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Involucres cylindro-campanulate to broadly campanulate, (4–14 (–16) ×) 4–25+ mm.
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Phyllaries 20–140 in 3–7 series, 1-nerved (usually rounded adaxially, sometimes low-keeled), broadly ovate or oblong to oblanceolate, lanceolate, or linear, unequal, bases indurate (rarely wholly foliaceous), margins narrowly scarious (seldom herbaceous), often ciliolate (green zones ± basally truncate), in distal 1/3–3/4 of phyllary (outer) to less than 1/6 and only along midnerves (inner), apices obtuse to acute, faces glabrous, ± strigillose, puberulent, scabrellous, strigoso-villous, or villous, sometimes ± stipitate-glandular.
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Receptacles flat to slightly convex, pitted, epaleate.
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Ray-florets 5–60, pistillate, fertile;
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corollas white to purple (coiling at maturity).
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Disc-florets 8–260, bisexual, fertile;
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corollas yellow, becoming purple at maturity, barely to abruptly ampliate, tubes shorter to longer than funnelform to campanulate throats, lobes 5, usually erect to spreading, sometimes ± reflexed, deltate, triangular, or lanceolate;
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style-branch appendages lanceolate.
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Cypselae cylindro-obconic to fusiform, ± compressed, 7–12 (–18) -nerved, faces glabrous or sparsely to densely strigillose, eglandular;
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pappi persistent, of 35–70+, reddish, orange, cinnamon, tawny, tan, yellowish, or pinkish, unequal, soft to stiff, barbellate or barbellulate, often apically ± clavate bristles in 2–4 series.
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stipitate-glandular
sometimes
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spatulate oblanceolate or lanceolate
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spatulate oblanceolate or lanceolate
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spatulate oblanceolate or lanceolate
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spatulate oblanceolate or lanceolate
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reduced
usually gradually; distally
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stipitate-glandular
sometimes
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cylindro-campanulate
broadly campanulate
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stipitate-glandular
sometimes more or less
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glabrous or
sparsely densely strigillose
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cinnamon
of 35-70+ , reddish , orange
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clavate
often apically more or less
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