Erigeron klamathensis |
Erigeron simplex |
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Klamath fleabane |
one-stem fleabane |
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Habit | Plants perennial, 5–25 cm; taprooted, caudices branching. | Plants perennial, 3–15 cm; fibrous-rooted, rhizomatous, caudices branched or not. |
Stems | erect to decumbent-ascending; hirsute, eglandular; hairs usually spreading and slightly reflexed. |
erect, sparsely to moderately villous, eglandular. |
Basal leaves | withering by flowering. |
persistent, oblanceolate to spatulate, 50–350 × 30–90 mm; margins entire, sometimes moderately ciliate; surfaces glabrous to glabrate. |
Cauline leaves | oblong to narrowly oblanceolate, 10–30 × 1–4 mm, slightly reduced distally or not; margins entire; surfaces moderately to densely hirsute, eglandular. |
obovate to linear, abruptly reduced distally; surfaces usually hirsute. |
Involucres | 4–6 × 8–14 mm. |
3–7 × 8–16 mm. |
Ray florets | 20–40, lavender to purple; rays 4–6 × 0.7–2 mm. |
30–50+, lavender to purple; rays 5–10 × 0.6–2.2 mm. |
Disc florets | corollas 3.5–5 mm. |
2–3 mm. |
Phyllaries | in 2–3 unequal series; surfaces glabrous to very sparsely hirsute, densely minutely glandular. |
in 2 series; margins usually ragged; surfaces moderately to densely villous. |
Fruits | 2–3 mm, sparsely to densely strigose; inner pappi of numerous barbellate bristles. |
1–2 mm, sparsely strigose; inner pappi of numerous barbellate bristles. |
Heads | 1–4 in loose corymb-like arrays, radiate. |
1, radiate. |
Erigeron klamathensis |
Erigeron simplex |
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Distribution | ||
Discussion | Rocky areas, ridges, crevices. Flowering Jun–Sep. 500–1500 m. Sisk. CA. Native. |
Rocky areas, meadows. Flowering Jul–Aug. 2400–3000 m. BW. ID, NV; northeast to MT, east to WY, southeast to CO, NM. Native. |
Source | Flora of Oregon, volume 2, page 258 James Riser, Stephen Meyers |
Flora of Oregon, volume 2, page 261 James Riser, Stephen Meyers |
Sibling taxa | ||
Synonyms | Erigeron breweri, Erigeron breweri var. klamathensis | Erigeron grandiflorus |
Web links |
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