OregonFlora species comparison

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Erigeron inornatus

Erigeron stanselliae

California rayless daisy, lava rayless fleabane, unadorned fleabane

Stansell's fleabane
Habit Plants perennial, 7–25 cm; tap-rooted, caudices few-branched.
Stems

erect to decumbent, glabrous to sparsely strigose, sometimes minutely glandular.
Basal leaves

linear to narrowly oblanceolate, 40–120 × 2–5 mm;

margins entire;

tips rounded to acute or acuminate;

surfaces glabrous to sparsely strigose.
Cauline leaves

linear to narrowly elliptic, 5–40 × 1–3 mm, gradually or abruptly reduced distally;

surfaces glabrous to loosely strigose.
Involucres

5–7 × 5–11 mm.
Ray florets

14–36, white to pinkish;

rays 6–10 × 1–1.5 mm.
Disc florets

3–4 mm.
Phyllaries

in 2–3 series;

surfaces sparsely to densely pilose or strigose, minutely glandular.
Fruits

3–4 mm, sparsely to densely strigose;

inner pappi of numerous barbellate bristles.
Heads

1–2(4), radiate.

Erigeron inornatus

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

Serpentine areas. Flowering Jun–Jul. 700–900 m. Sisk. Native. Endemic to Oregon.

First described in 2011, this serpentine endemic has thus far only been collected a few times in Curry County. The species is named in honor of noted Oregon botanist, Veva Stansell.
Source Flora of Oregon, volume 2, page 261
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. 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. strigosus, E. tener, E. vagus
Subordinate taxa
E. inornatus var. inornatus
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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