Erigeron speciosus(synonym of Erigeron subtrinervis) |
Erigeron klamathensis(synonym of Erigeron breweri) |
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showy daisy, showy fleabane |
Klamath fleabane |
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Habit | Plants perennial, 15–75 cm; rhizomatous, fibrous-rooted, caudices branching. | Plants perennial, 5–25 cm; taprooted, caudices branching. |
Stems | erect; surfaces glabrous to rarely remotely hirsute, sometimes minutely glandular distally. |
erect to decumbent-ascending; hirsute, eglandular; hairs usually spreading and slightly reflexed. |
Basal leaves | usually withering by flowering, oblanceolate to spatulate. |
withering by flowering. |
Cauline leaves | lanceolate, 20–80 × 5–15 mm, gradually reduced distally, bases ± clasping; margins entire, usually long-ciliate; surfaces glabrous, rarely remotely strigose. |
oblong to narrowly oblanceolate, 10–30 × 1–4 mm, slightly reduced distally or not; margins entire; surfaces moderately to densely hirsute, eglandular. |
Involucres | 3–7 × 11–16 mm. |
4–6 × 8–14 mm. |
Ray florets | 40–115+, lavender to purple; rays 7–11 × 0.7–1.5 mm. |
20–40, lavender to purple; rays 4–6 × 0.7–2 mm. |
Disc florets | 2–3 mm. |
corollas 3.5–5 mm. |
Phyllaries | in 2–3+ series, usually with orange stripe; surfaces basally hirsute to villous, occasionally minutely glandular. |
in 2–3 unequal series; surfaces glabrous to very sparsely hirsute, densely minutely glandular. |
Fruits | 2–3 mm, glabrous to sparsely strigose; inner pappi of numerous barbellate bristles. |
2–3 mm, sparsely to densely strigose; inner pappi of numerous barbellate bristles. |
Heads | 1–5+ in corymb-like arrays, radiate. |
1–4 in loose corymb-like arrays, radiate. |
Erigeron speciosus |
Erigeron klamathensis |
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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. |
Rocky areas, ridges, crevices. Flowering Jun–Sep. 500–1500 m. Sisk. CA. Native. |
Source | Flora of Oregon, volume 2 draft James Riser, Stephen Meyers |
Flora of Oregon, volume 2, page 258 James Riser, Stephen Meyers |
Sibling taxa | ||
Synonyms | Erigeron speciosus var. macranthus, Erigeron speciosus var. speciosus, Erigeron subtrinervis | Erigeron breweri, Erigeron breweri var. klamathensis |
Web links |