Erigeron speciosus(synonym of Erigeron subtrinervis) |
Erigeron aliceae |
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showy daisy, showy fleabane |
Alice Eastwood's fleabane |
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Habit | Plants perennial, 15–75 cm; rhizomatous, fibrous-rooted, caudices branching. | Plants perennial, 30–70 cm; fibrous-rooted, rhizomatous, caudices sometimes branching. |
Stems | erect; surfaces glabrous to rarely remotely hirsute, sometimes minutely glandular distally. |
erect, nearly glabrous or sparsely strigose often becoming more so distally, eglandular. |
Basal leaves | usually withering by flowering, oblanceolate to spatulate. |
usually persistent, lanceolate to oblanceolate, 50–120 × 10–30 mm; margins entire, sometimes coarsely toothed with 1–5 pairs of teeth; midveins prominent, rarely with 2 prominent veins; surfaces remotely to moderately strigose. |
Cauline leaves | lanceolate, 20–80 × 5–15 mm, gradually reduced distally, bases ± clasping; margins entire, usually long-ciliate; surfaces glabrous, rarely remotely strigose. |
well developed, lanceolate to narrowly elliptic, 10–80 × 3–14 mm, distally reduced, bases clasping. |
Involucres | 3–7 × 11–16 mm. |
5–7 × 13–17 mm. |
Ray florets | 40–115+, lavender to purple; rays 7–11 × 0.7–1.5 mm. |
30–80, white to lavender to purple; rays 4–12 × 1–1.5 mm. |
Disc florets | 2–3 mm. |
corollas 2–4 mm. |
Phyllaries | in 2–3+ series, usually with orange stripe; surfaces basally hirsute to villous, occasionally minutely glandular. |
in 2–3 series, with dark green medial area; surfaces white woolly-villous, glandular. |
Fruits | 2–3 mm, glabrous to sparsely strigose; inner pappi of numerous barbellate bristles. |
2–3 mm, moderately to densely strigose; inner pappi of numerous barbellate bristles. |
Heads | 1–5+ in corymb-like arrays, radiate. |
1–few, radiate. |
Erigeron speciosus |
Erigeron aliceae |
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Distribution | ||
Discussion | Conifer forests, moist slopes, riverbanks, wet meadows. Flowering Jun–Sep. 50–2500 m. BR, BW, CR, WV. ID, NV, WA; north to British Columbia, northeast to Alberta, east to NE, southeast to NM. Native. |
Meadows, ridges, prairies. Flowering Jun–Sep. 400–2200 m. Casc, CR, ECas, Sisk. CA, WA. Native. This is a variable species that can be confused with Erigeron glacialis. The woolly-villous phyllaries best distinguish E. aliceae from E. glacialis. |
Source | Flora of Oregon, volume 2 draft James Riser, Stephen Meyers |
Flora of Oregon, volume 2, page 252 James Riser, Stephen Meyers |
Sibling taxa | ||
Synonyms | Erigeron speciosus var. macranthus, Erigeron speciosus var. speciosus, Erigeron subtrinervis | |
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