Eurybia integrifolia |
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thick-stemmed aster |
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Habit | Plants 1.2–6 dm. |
Stems | glabrous proximally, glandular-puberulent distally. |
Leaves | basal and cauline, lanceolate to oblanceolate or elliptic, 3–20 cm, bases often truncate and auriculate-clasping; margins entire; surfaces glabrous; basal petiolate; cauline usually sessile. |
Involucres | 8–14 mm. |
Ray florets | 8–25; corollas 10–15 mm, purple-violet. |
Disc florets | 20–50. |
Phyllaries | in 3–4 series, chartaceous below becoming herbaceous above or only at tips, narrowly lanceolate to linear, often purplish; margins rarely ciliate; surfaces glandular-puberulent. |
Fruits | 4–4.5 mm, brown, puberulent; pappus bristles 7–8 mm. |
Heads | peduncles 5–30 mm, glandular-puberulent. |
2n | =18. |
Eurybia integrifolia |
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Distribution | |
Discussion | Coniferous woods, grasslands, open slopes, riverbanks, roadsides. Flowering Jul–Sep. 1200–2400 m. BW. CA, ID, NV, WA; northeast to MT, east to WY, southeast to UT. Native. |
Source | Flora of Oregon, volume 2, page 269 Kenton Chambers |
Sibling taxa | |
Synonyms | Aster integrifolius |
Web links |
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