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foothill daisy, longleaf fleabane

Klamath fleabane

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.

Erigeron corymbosus

Erigeron klamathensis

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
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
E. acris, E. aliceae, E. annuus, E. aphanactis, E. aureus, E. bloomeri, E. cascadensis, E. cervinus, E. chrysopsidis, E. compositus, E. coulteri, E. decumbens, E. disparipilus, E. divergens, E. eatonii, E. elegantulus, E. filifolius, E. foliosus, E. glacialis, E. glaucus, E. howellii, E. inornatus, E. karvinskianus, E. klamathensis, E. latus, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. petrophilus, E. philadelphicus, E. poliospermus, E. pumilus, E. simplex, E. speciosus, E. stanselliae, E. strigosus, E. tener, E. vagus
E. acris, E. aliceae, E. annuus, E. aphanactis, E. aureus, E. bloomeri, E. cascadensis, E. cervinus, E. chrysopsidis, E. compositus, E. corymbosus, E. coulteri, E. decumbens, E. disparipilus, E. divergens, E. eatonii, E. elegantulus, E. filifolius, E. foliosus, E. glacialis, E. glaucus, E. howellii, E. inornatus, E. karvinskianus, E. klamathensis, E. latus, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. petrophilus, E. philadelphicus, E. poliospermus, E. pumilus, E. simplex, E. speciosus, E. stanselliae, E. strigosus, E. tener, E. vagus
Synonyms Erigeron breweri, Erigeron breweri var. klamathensis
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