OregonFlora species comparison

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Erigeron karvinskianus

Erigeron corymbosus

Santa Barbara daisy

foothill daisy, longleaf fleabane
Habit Plants perennial, 15–40 cm; taprooted, often with slender, branching caudices.
Stems

erect or ascending, moderately hirsute to villous, eglandular.
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.
Cauline leaves

linear, 15–60 × 1–5 mm, gradually reduced distally.
Involucres

4–7 × 8–14 mm.
Ray florets

30–60, white to purple;

rays 2.5–14 × 1–1.5 mm.
Disc florets

corollas 4–5 mm.
Phyllaries

in 2–3 series, usually with dark medial area;

surfaces moderately to densely hirsute to villous, occasionally glandular.
Fruits

2–3 mm, sparsely strigose;

inner pappi of numerous barbellate bristles.
Heads

1–5(10) in corymb-like arrays, radiate.
2n

=18.

Erigeron karvinskianus

Erigeron corymbosus
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.
Source Flora of Oregon, volume 2, page 255
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. 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. 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
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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