Eurybia merita (A. Nelson) G. L. Nesom (Q2243)

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Eurybia merita is a taxon with the rank species within the genus Eurybia
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English
Eurybia merita (A. Nelson) G. L. Nesom
Eurybia merita is a taxon with the rank species within the genus Eurybia

    Statements

    taxon/id/Eurybia merita (A. Nelson) G.L. Nesom
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    Eurybia merita (A. Nelson) G.L. Nesom
    Eurybia merita
    (A. Nelson) 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
    aster méritant (French)
    subalpine aster (English)
    arctic aster (English)
    Subalpine aster (English)
    Flowering late summer.
    rocky areas
    clearings
    burnt areas
    creek banks
    or gravelly)
    subalpine level
    mountains
    douglas fir
    forests
    subalpine meadows
    100–3200 m
    Plants (2–) 10–50 cm, clonal and clumped, eglandular;
    rhizomes creeping to ascending, long or short, scaly, woody with age.
    Stems 1–3+, usually ascending, sometimes decumbent, purplish, occasionally branched basally, sparsely villosulous, densely so distally.
    Leaves cauline (dark green abaxially, paler bluish green adaxially) firm, ± markedly veined, margins entire or serrulate, scabrous to strigoso-ciliate, teeth mucronate, slightly indurate, apices obtuse to acute, mucronate, abaxial faces glabrescent to sparsely villous along veins, adaxial glabrescent or sparsely (proximal) to ± densely (distal) villoso-strigose or strigose;
    proximalmost withering by flowering;
    proximal narrowly winged-petiolate or sessile, petiole bases sheathing, blades spatulate to obovate or oblanceolate, 10–43 × 2–16 mm, smaller than mid, bases attenuate to cuneate, subclasping (if sessile);
    mid sessile, blades lanceolate or oblong-lanceolate to oblanceolate, narrowly obovate, or spatulate, 20–80 × 4–35 mm, gradually reduced distally, bases rounded or subauriculate to widely attenuate or cuneate;
    distal (arrays) sessile, lanceolate to lanceovate or elliptic to oblanceolate, 6–52 × 1–17 mm, rapidly reduced distally, margins often slightly purplish.
    Heads (1–) 5–50, usually in open to compact, corymbiform arrays, rarely borne singly.
    Peduncles villosulous;
    bracts 0–3, lanceolate to spatulate, leaflike to distally phyllary-like (bases indurate, margins purplish), mostly foliaceous.
    Involucres campanulate, 6–9 mm, shorter than pappi.
    Phyllaries 30–65 in 4–5 series, often purplish, oblong or lance-oblong (outer) to lance-linear or linear (inner), unequal, membranous, bases indurate, rounded, dark green zones diffusely diamond-shaped to lanceolate in distal 1/3–2/3 (outer, seldom foliaceous) to 1/5 or none (inner), margins ± dark purple, narrowly scarious, erose, densely villoso-ciliate, apices appressed or sometimes loose and ± squarrose, acute to obtuse, often apiculate, faces usually villous, rarely glabrous.
    Ray-florets (10–) 14–32;
    corollas purple to violet, 7–12 (–15) × 1–1.7 mm.
    Disc-florets 30–60;
    corollas pale to cream-yellow, lobes pink-tinged, 5–7.6 mm, slightly ampliate, tubes equaling or slightly longer than funnelform throats, lobes erect, triangular, 0.6–1.3 mm.
    Cypselae brownish, fusiform-obconic, slightly compressed, ca. 3.4 mm, ribs 8–10 (pale, strong), strigillose;
    pappi of cinnamon to yellowish bristles 5–6 mm, longer than disc corollas.