Difference between revisions of "Erigeron glabellus"
Gen. N. Amer. Pl. 2: 147. 1818.
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|common_names=Streamside fleabane | |common_names=Streamside fleabane | ||
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| + | |code=E | ||
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|basionyms= | |basionyms= | ||
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| − | |distribution= | + | |distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Sask.;Yukon;Alaska;Colo.;Idaho;Minn.;Mont.;N.Dak.;N.Mex.;S.Dak.;Utah;Wis.;Wyo. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
--><p><i>Erigeron glabellus</i> is recognized by its subsimple caudices and fibrous-rooted bases, relatively numerous rays with nearly filiform laminae, and nonglandular vestiture.</p> | --><p><i>Erigeron glabellus</i> is recognized by its subsimple caudices and fibrous-rooted bases, relatively numerous rays with nearly filiform laminae, and nonglandular vestiture.</p> | ||
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name=Erigeron glabellus | name=Erigeron glabellus | ||
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|authority=Nuttall | |authority=Nuttall | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Sask.;Yukon;Alaska;Colo.;Idaho;Minn.;Mont.;N.Dak.;N.Mex.;S.Dak.;Utah;Wis.;Wyo. |
|reference=None | |reference=None | ||
|publication title=Gen. N. Amer. Pl. | |publication title=Gen. N. Amer. Pl. | ||
|publication year=1818 | |publication year=1818 | ||
| − | |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_753.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
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| + | [[Category:Treatment]] | ||
| + | [[Category:Erigeron]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 19:25, 6 November 2020
Biennials or perennials, 7–50(–70) cm; rhizomatous, caudices or rhizomes relatively short and thickened, simple or branched, usually appearing merely fibrous-rooted. Stems erect or slightly basally ascending, hirsute or hirsuto-villous to strigose or glabrate, eglandular. Leaves basal (persistent) and cauline; basal blades oblanceolate to oblanceolate-spatulate, 40–150 × 3–15 mm, margins usually entire, sometimes shallowly dentate, faces hirsute or hirsuto-villous to sparsely strigose or glabrate, eglandular; cauline blades usually becoming lanceolate, abruptly or gradually reduced distally (bases sometimes subclasping). Heads 1–15. Involucres 5–9 × 10–20 mm. Phyllaries in (2–)3–4 series (greenish), hirsute to strigose, eglandular. Ray florets 125–175; corollas white to pink or blue, 8–15 mm, laminae (nearly filiform) coiling tardily at tips. Disc corollas 4–5.5 mm. Cypselae 1.2–1.5 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 16–20 bristles.
Distribution
Alta., B.C., Man., N.W.T., Ont., Sask., Yukon, Alaska, Colo., Idaho, Minn., Mont., N.Dak., N.Mex., S.Dak., Utah, Wis., Wyo.
Discussion
Varieties 2 (2 in the flora).
Erigeron glabellus is recognized by its subsimple caudices and fibrous-rooted bases, relatively numerous rays with nearly filiform laminae, and nonglandular vestiture.
Selected References
None.
Key
| 1 | Stems strigose (hairs closely appressed to ascending), sometimes sparsely so to glabrate | Erigeron glabellus var. glabellus |
| 1 | Stems hirsute to hirsuto-villous (hairs spreading) | Erigeron glabellus var. pubescens |