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showy aster

rough-leaved aster

Habit Plants 3–10 dm. Plants 1–7 dm.
Stems

villous proximally, glandular-puberulent distally.

often purple, villous-puberulent distally or throughout, not glandular.

Leaves

cauline, lanceolate to oblanceolate; ovate, or broadly elliptic, 4–15 cm, bases attenuate or truncate, often auriculate;

margins denticulate or serrate-dentate distally;

surfaces glabrous or scabridulous, sessile.

basal and cauline, obovate or oblanceolate to lanceolate or elliptic, 1–12 cm, bases sometimes truncate-auriculate;

margins denticulate to dentate-serrate, rarely entire;

surfaces abaxially scabrous, adaxially scabrous, strigose; lower petiolate; upper sessile.

Involucres

9–12 mm.

6–9 mm.

Ray florets

12–35;

corollas 8–15 mm, blue or violet.

10–15;

corollas 7–15 mm, white to pale violet.

Disc florets

45–55.

30–70.

Phyllaries

in 4–5 series, chartaceous below, becoming herbaceous above or only at tips, lanceolate;

margins ciliate;

surfaces puberulent.

in 4–6 series, chartaceous below, herbaceous above or only at tips, lanceolate or elliptic-linear;

margins sometimes lined with purple, ciliate or not;

surfaces glabrous or puberulent.

Fruits

3–4 mm, tan or brown, glabrous;

pappus bristles 9–10 mm.

3–3.5 mm; brownish, strigillose;

pappus bristles 2.7–3 mm.

Heads

peduncles 5–50 mm, glandular-puberulent.

peduncles 3–45 mm, villous-puberulent.

2n

=18.

Eurybia conspicua

Eurybia radulina

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Coniferous forests, mixed woodlands, shrublands, river­banks, roadsides. Flowering Jul–Sep. 400–2000 m. BW. WA; north to British Columbia; northeast to Manitoba, east to SD. Native.

Woodlands, grasslands, hillsides, ridge tops, rocky slopes, riverbanks, roadsides. Flowering Jun–Oct. 0–1800 m. BW, Casc, CR, ECas, Sisk, WV. CA, WA; north to British Columbia. Native.

Source Flora of Oregon, volume 2, page 269
Kenton Chambers
Flora of Oregon, volume 2, page 269
Kenton Chambers
Sibling taxa
E. integrifolia, E. merita, E. radulina
E. conspicua, E. integrifolia, E. merita
Synonyms Aster conspicuus Aster radulinus
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