Erigeron corymbosus |
Erigeron klamathensis(synonym of Erigeron breweri) |
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foothill daisy, longleaf fleabane |
Klamath fleabane |
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Habit | Plants perennial, 15–40 cm; taprooted, often with slender, branching caudices. | Plants perennial, 5–25 cm; taprooted, caudices branching. |
Stems | erect or ascending, moderately hirsute to villous, eglandular. |
erect to decumbent-ascending; hirsute, eglandular; hairs usually spreading and slightly reflexed. |
Basal leaves | usually persistent, linear to narrowly oblanceolate, 50–200 × 2–10 mm; margins entire, 1–3 prominent veins; tips usually acute; surfaces moderately to densely strigose, eglandular. |
withering by flowering. |
Cauline leaves | linear, 15–60 × 1–5 mm, gradually reduced distally. |
oblong to narrowly oblanceolate, 10–30 × 1–4 mm, slightly reduced distally or not; margins entire; surfaces moderately to densely hirsute, eglandular. |
Involucres | 4–7 × 8–14 mm. |
4–6 × 8–14 mm. |
Ray florets | 30–60, white to purple; rays 2.5–14 × 1–1.5 mm. |
20–40, lavender to purple; rays 4–6 × 0.7–2 mm. |
Disc florets | corollas 4–5 mm. |
corollas 3.5–5 mm. |
Phyllaries | in 2–3 series, usually with dark medial area; surfaces moderately to densely hirsute to villous, occasionally glandular. |
in 2–3 unequal series; surfaces glabrous to very sparsely hirsute, densely minutely glandular. |
Fruits | 2–3 mm, sparsely strigose; inner pappi of numerous barbellate bristles. |
2–3 mm, sparsely to densely strigose; inner pappi of numerous barbellate bristles. |
Heads | 1–5(10) in corymb-like arrays, radiate. |
1–4 in loose corymb-like arrays, radiate. |
2n | =18. |
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Erigeron corymbosus |
Erigeron klamathensis |
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Distribution | ||
Discussion | Dry open hillsides, sagebrush, pine forests. Flowering Jun–Aug. 200–2500 m. BR, BW, Casc, ECas, Lava, Owy. ID, WA; north to British Columbia, northeast to MT, east to WY, southeast to UT. Native. |
Rocky areas, ridges, crevices. Flowering Jun–Sep. 500–1500 m. Sisk. CA. Native. |
Source | Flora of Oregon, volume 2, page 255 James Riser, Stephen Meyers |
Flora of Oregon, volume 2, page 258 James Riser, Stephen Meyers |
Sibling taxa | ||
Synonyms | Erigeron breweri, Erigeron breweri var. klamathensis | |
Web links |