Difference between revisions of "Symphyotrichum spathulatum"
Phytologia 77: 291. 1995.
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|common_names=Western mountain aster | |common_names=Western mountain aster | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Aster spathulatus | |name=Aster spathulatus | ||
|authority=Lindley | |authority=Lindley | ||
| + | |rank=species | ||
| + | |publication_title=in W. J. Hooker, Fl. Bor.-Amer. | ||
| + | |publication_place=2: 8. 1834 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;N.W.T.;Calif.;Colo.;Idaho;Mont.;N.Mex.;Nev.;Oreg.;Utah;Wash.;Wyo.;nw Mexico. |
|discussion=<p>Varieties 3 (3 in the flora).</p><!-- | |discussion=<p>Varieties 3 (3 in the flora).</p><!-- | ||
| − | --><p><i>Symphyotrichum spathulatum</i> is a variable species, widespread in montane regions of western North America. It hybridizes with <i>S. | + | --><p><i>Symphyotrichum spathulatum</i> is a variable species, widespread in montane regions of western North America. It hybridizes with <i>S. bracteolatum</i>, <i>S. foliaceum</i>, and <i>S. hendersonii</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Symphyotrichum spathulatum | name=Symphyotrichum spathulatum | ||
| − | |||
|authority=(Lindley) G. L. Nesom | |authority=(Lindley) G. L. Nesom | ||
|rank=species | |rank=species | ||
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|basionyms=Aster spathulatus | |basionyms=Aster spathulatus | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;N.W.T.;Calif.;Colo.;Idaho;Mont.;N.Mex.;Nev.;Oreg.;Utah;Wash.;Wyo.;nw Mexico. |
|reference=None | |reference=None | ||
|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1995 | |publication year=1995 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1191.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Symphyotrichum | |genus=Symphyotrichum | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Symphyotrichum sect. Occidentales]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Symphyotrichum sect. Occidentales]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:27, 6 November 2020
Perennials, 20–80 cm, colonial; long-rhizomatous. Stems 1–5+, ascending to erect, glabrous or sparsely puberulent. Leaves thin, margins entire, apices acute, faces glabrous or sparsely puberulent; basal persistent, petiolate, blades narrowly elliptic to obovate, 50–150 × 3–15 mm, attenuate, margins entire; proximal cauline sessile or subpetiolate, blades linear to narrowly elliptic, 50–150 × 2–15 mm, bases attenuate or cuneate; distal sessile, blades 30–60 × 2–10 mm, reduced distally, bases cuneate to rounded. Heads in corymbiform to paniculiform arrays, branches usually few. Peduncles sparsely hairy, bracts 0–3+. Involucres campanulate, 5–10 mm. Phyllaries in 3–5 series, narrowly oblong or linear (outer) to linear (inner), unequal, bases indurate, margins entire, green zones elliptic to lanceolate, apices usually acute, sometimes obtuse, faces glabrous or ± puberulent. Ray florets 15–40; corollas violet, laminae 9–15 × 1–2 mm. Disc florets 30-80(–100); corollas yellow, sometimes becoming reddish, 4.5–6 mm, lobes triangular, 0.5–1 mm. Cypselae brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, ± 4-nerved, faces hairy; pappi whitish, 5–7 mm.
Distribution
Alta., B.C., N.W.T., Calif., Colo., Idaho, Mont., N.Mex., Nev., Oreg., Utah, Wash., Wyo., nw Mexico.
Discussion
Varieties 3 (3 in the flora).
Symphyotrichum spathulatum is a variable species, widespread in montane regions of western North America. It hybridizes with S. bracteolatum, S. foliaceum, and S. hendersonii.
Selected References
None.
Lower Taxa
Key
| 1 | Leaves linear | Symphyotrichum spathulatum var. yosemitanum |
| 1 | Leaves narrowly elliptic to oblanceolate | > 2 |
| 2 | Plants 40–80 cm; heads usually 10–50 | Symphyotrichum spathulatum var. intermedium |
| 2 | Plants 20–50(–60) cm; head usually 3–10 | Symphyotrichum spathulatum var. spathulatum |