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Klamath fleabane

seaside daisy, seaside fleabane

Habit Plants perennial, 5–25 cm; taprooted, caudices branching. Plants perennial, 3–30 cm; fibrous-rooted, rhizomatous, caudices usually simple, occasionally branching.
Stems

erect to decumbent-ascending; hirsute, eglandular;

hairs usually spreading and slightly reflexed.

decumbent, procumbent or ascending, sparsely to moderately hirsute, usually minutely glandular.

Basal leaves

withering by flowering.

persistent, obovate to broadly spatulate, 15–40 × 5–25 mm;

margins entire;

surfaces usually glabrous and eglandular.

Cauline leaves

oblong to narrowly oblanceolate, 10–30 × 1–4 mm, slightly reduced distally or not;

margins entire;

surfaces moderately to densely hirsute, eglandular.

similar to basal, 7–30 × 3–15 mm, gradually reduced distally.

Involucres

4–6 × 8–14 mm.

5–10 × 10–21 mm.

Ray florets

20–40, lavender to purple;

rays 4–6 × 0.7–2 mm.

70–100, lavender to purple;

rays 6–9 × 1–2 mm.

Disc florets

corollas 3.5–5 mm.

corollas 4–6 mm.

Phyllaries

in 2–3 unequal series;

surfaces glabrous to very sparsely hirsute, densely minutely glandular.

in 3–4 series;

surfaces moderately to densely villous, sparsely to moderately glandular.

Fruits

2–3 mm, sparsely to densely strigose;

inner pappi of numerous barbellate bristles.

2–3 mm, sparsely to moderately strigose;

inner pappi of numerous barbellate bristles.

Heads

1–4 in loose corymb-like arrays, radiate.

1(3), radiate.

2n

=18.

Erigeron klamathensis

Erigeron glaucus

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Rocky areas, ridges, crevices. Flowering Jun–Sep. 500–1500 m. Sisk. CA. Native.

Coastal dunes, bluffs. Flowering May–Aug. 0–500 m. Est. CA. Native.

Source Flora of Oregon, volume 2, page 258
James Riser, Stephen Meyers
Flora of Oregon, volume 2, page 257
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. 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. 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. 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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