OregonFlora species comparison

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Erigeron flettii

Erigeron lonchophyllus
Erigeron flettii

short-rayed fleabane, spear-leaved fleabane
Habit Plants biennial or short-lived perennial, 4–33 cm; usually fibrous-rooted, caudices simple.
Stems

erect, sparsely to densely hirsute, eglandular or occasionally with densely minute glands.
Basal leaves

persistent, oblanceolate to spatulate, 10–100 × 4–10 mm;

margins entire, often with spreading cilia;

surfaces glabrous to moderately hirsute or strigose.
Cauline leaves

narrowly elliptic, oblong, oblanceolate to linear, 10–100 × 1–5 mm, reduced distally, bases often clasping;

surfaces glabrous to moderately hirsute or strigose.
Involucres

4–7 × 5–11 mm.
Ray florets

40–100, white to pink;

rays 2–5 × 0.2–0.4 mm.
Disc florets

corollas 3–5 mm.
Phyllaries

in 2–3 series;

surfaces sparsely to densely hirsute, glandular or eglandular.
Fruits

1.5–2.5 mm, sparsely to moderately strigose;

inner pappi of numerous barbellate bristles.
Heads

1–10 in raceme-like arrays, radiate.
2n

=18.

Erigeron flettii

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

Floodplains, lakesides, gravel bars, roadsides, marshes, seeps. Flowering Jun–Aug. 800–2300 m. BR, BW, Casc, ECas, Lava, Owy. CA, ID, NV, WA; north to AK, northeast to Nunavut, east to Quebec, southeast to NM. Native.
Source 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. 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. 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 Trimorpha lonchophylla
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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