Eurybia conspicua |
Eurybia radulina |
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showy aster |
rough-leaved aster |
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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 | ||
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 | ||
Synonyms | Aster conspicuus | Aster radulinus |
Web links |
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