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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English
Eurybia (Cassini) Cassini in F. Cuvier
Eurybia is a taxon with the rank genus within the tribe Astereae

    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
    Aster (English)
    North America
    n Eurasia
    Stems ascending to erect, usually simple, rarely branched proximally, glabrous or ± densely hairy, usually eglandular, sometimes stipitate-glandular.
    sessile or petiolate;
    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.
    Heads radiate, usually in corymbiform arrays, rarely borne singly.
    Involucres cylindro-campanulate to broadly campanulate, (4–14 (–16) ×) 4–25+ mm.
    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.
    Receptacles flat to slightly convex, pitted, epaleate.
    Ray-florets 5–60, pistillate, fertile;
    corollas white to purple (coiling at maturity).
    Disc-florets 8–260, bisexual, fertile;
    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;
    style-branch appendages lanceolate.
    Cypselae cylindro-obconic to fusiform, ± compressed, 7–12 (–18) -nerved, faces glabrous or sparsely to densely strigillose, eglandular;
    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.