Difference between revisions of "Erigeron evermannii"
Fl. Rocky Mts., 903, 1067. 1917.
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|common_names=Evermann’s fleabane | |common_names=Evermann’s fleabane | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
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|publication title=Fl. Rocky Mts., | |publication title=Fl. Rocky Mts., | ||
|publication year=1917 | |publication year=1917 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V20_657.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Revision as of 20:50, 27 May 2020
Perennials, 2–10 cm; taprooted, caudices multicipital or branches relatively long and thick to relatively slender, lignescent. Stems erect to ascending, glabrous or sparsely strigose, sometimes sparsely villosulous distally, eglandular. Leaves basal, sometimes few cauline; blades oblanceolate to spatulate (usually folding), 10–40 × 2–7 mm, cauline bractlike or 0, margins entire, faces glabrous or glabrate, eglandular. Heads 1. Involucres 5–8 × 7–13 mm. Phyllaries in 2–3 series (commonly purplish), sparsely to moderately hirsuto-villous, sometimes sparsely minutely glandular. Ray florets 15–40; corollas white, 6–10 mm, laminae not coiling or reflexing, straight. Disc corollas 3.6–4.5 mm. Cypselae 3.2–3.5 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 25–35 (stramineous, dull) bristles.
Phenology: Flowering Jul–Aug.
Habitat: Alpine slopes, ridges, outcrops, talus, gravelly slopes, often with whitebark pine
Elevation: 2400–3500 m
Discussion
Erigeron evermannii is superficially similar to E. leiomerus and is sometimes misidentified as such; the latter has wider, more numerous, and merely glandular phyllaries, reflexing rays, non-folding leaves, and leafier stems.
Selected References
None.