OregonFlora species comparison

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Erigeron pulchellus

Erigeron simplex

(synonym of Erigeron grandiflorus)

one-stem fleabane
Habit Plants perennial, 3–15 cm; fibrous-rooted, rhizomatous, caudices branched or not.
Stems

erect, sparsely to moderately villous, eglandular.
Basal leaves

persistent, oblanceolate to spatulate, 50–350 × 30–90 mm;

margins entire, sometimes moderately ciliate;

surfaces glabrous to glabrate.
Cauline leaves

obovate to linear, abruptly reduced distally;

surfaces usually hirsute.
Involucres

3–7 × 8–16 mm.
Ray florets

30–50+, lavender to purple;

rays 5–10 × 0.6–2.2 mm.
Disc florets

2–3 mm.
Phyllaries

in 2 series;

margins usually ragged;

surfaces moderately to densely villous.
Fruits

1–2 mm, sparsely strigose;

inner pappi of numerous barbellate bristles.
Heads

1, radiate.

Erigeron pulchellus

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

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 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. 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 grandiflorus
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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