Difference between revisions of "Symphyotrichum bracteolatum"
Phytologia 77: 276. 1994.
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|name=Aster foliaceus var. eatonii | |name=Aster foliaceus var. eatonii | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=variety | ||
|publication_title=Trans. Amer. Philos. Soc. | |publication_title=Trans. Amer. Philos. Soc. | ||
|publication_place=ser. 2, 7: 293. 1840 | |publication_place=ser. 2, 7: 293. 1840 | ||
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|name=Aster bracteolatus | |name=Aster bracteolatus | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Aster eatonii | |name=Aster eatonii | ||
|authority=(A. Gray) Howell | |authority=(A. Gray) Howell | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Symphyotrichum;Symphyotrichum sect. Occidentales;Symphyotrichum bracteolatum | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Symphyotrichum;Symphyotrichum sect. Occidentales;Symphyotrichum bracteolatum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Symphyotrichum bracteolatum | name=Symphyotrichum bracteolatum | ||
| − | |||
|authority=(Nuttall) G. L. Nesom | |authority=(Nuttall) G. L. Nesom | ||
|rank=species | |rank=species | ||
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|publication year=1994 | |publication year=1994 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_1181.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Symphyotrichum | |genus=Symphyotrichum | ||
Revision as of 19:24, 16 December 2019
Perennials 40–100 cm, cespitose; short-rhizomatous. Stems 1–10+, ascending to erect, glabrous or sparsely puberulent. Leaves thin, margins entire or sometimes serrate, apices acute; basal withering by flowering, petiolate, blades narrowly lanceolate, 60–200 × 10–20 mm, attenuate or cuneate, margins usually entire, sometimes serrate, apices acute, faces glabrous or sparsely puberulent; proximalmost cauline sometimes withering by flowering, sessile, blades narrowly lanceolate, 50–150 × 8–25 mm, bases cuneate, often auriculate, apices acute; distal sessile, blades linear to narrowly lanceolate, 20–120 × 3–20 mm, bases cuneate, often auriculate, apices acute. Heads in racemiform to narrow, paniculiform arrays, branches usually to 10 cm. Peduncles sparsely hairy, bracts linear to lanceolate. Involucres campanulate, 5–8 mm. Phyllaries in 3–5 series, often spreading, oblanceolate (outer) to linear (inner), subequal, outer indurate less than 1/2, bases outer variable, inner scarious, margins entire, scabrous to ciliolate, green zones oblanceolate to elliptic, apices acute to obtuse, often spreading, faces glabrous or sparsely puberulent. Ray florets 20–40; corollas white to pink, laminae 7–15 × 1–2 mm. Disc florets 35–60+; corollas yellow, 4.5–5 mm, lobes triangular, 0.5–0.75 mm. Cypselae brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, 1–2-nerved, faces hairy; pappi white, 5–6 mm. 2n = 16, 32, 48, 64.
Phenology: Flowering Jul–Aug.
Habitat: Moist to wet sunny places, wet thickets, along streams and ditches
Elevation: 500–3100 m
Distribution
Alta., B.C., Sask., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.
Discussion
Selected References
None.