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

Subalpine aster (en)

Species

Angiosperms > Asterales > Asteraceae > Eurybia

Characteristics

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 lance-ovate 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. 2n = 36.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Mature height (meter) 0.1 - 0.5
Root system rhizome
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OctNovDec
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Environment

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Hardiness (USDA) 4-9

Usage

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Cultivation

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Images

Eurybia merita unspecified picture

Distribution

Eurybia merita world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:981734-1
WFO ID wfo-0000008443
COL ID 6HF3F
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Aster meritus Eurybia merita Aster sibiricus var. meritus Aster richardsonii var. meritus