Difference between revisions of "Erigeron oreganus"
Proc. Amer. Acad. Arts 19: 2. 1883.
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|common_names=Gorge fleabane | |common_names=Gorge fleabane | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=20–400 m | |elevation=20–400 m | ||
|distribution=Oreg.;Wash. | |distribution=Oreg.;Wash. | ||
| − | |discussion=<p>Erigeron oreganus grows in the Columbia River Gorge, primarily on the north side.</p> | + | |discussion=<p><i>Erigeron oreganus</i> grows in the Columbia River Gorge, primarily on the north side.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Erigeron oreganus | name=Erigeron oreganus | ||
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|authority=A. Gray | |authority=A. Gray | ||
|rank=species | |rank=species | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year=1883 | |publication year=1883 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_586.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Latest revision as of 20:04, 5 November 2020
Perennials, 5–15 cm; stoutly taprooted, caudices usually simple. Stems decumbent to basally ascending or erect, moderately villous, stipitate-glandular. Leaves basal (persistent) and cauline; basal blades (1-nerved or weakly 3-nerved) obovate to spatulate, mostly 20–60(–100) × 5–15(–25) mm, margins usually coarsely dentate or incised, sometimes shallowly serrate, faces sparsely to moderately villous, stipitate-glandular; cauline gradually or little reduced distally (bases not clasping). Heads 1(–4) (on branches from proximal axils). Involucres 5–7 × 9–13 mm. Phyllaries in 2–3 series, moderately villous, minutely stipitate-glandular. Ray florets 30–60; corollas white to pink, 5–8 mm, laminae not coiling or reflexing. Disc corollas 3.4–4.7 mm. Cypselae flattened, 1.2–1.4 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 15–20 bristles (weakly barbellate and curled and twisted to at least distal 1/2).
Phenology: Flowering May–Sep.
Habitat: Moist shady cliffs and ledges
Elevation: 20–400 m
Discussion
Erigeron oreganus grows in the Columbia River Gorge, primarily on the north side.
Selected References
None.