Difference between revisions of "Symphyotrichum jessicae"
Phytologia 77: 283. 1995.
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|common_names=Jessica’s aster | |common_names=Jessica’s aster | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Aster jessicae | |name=Aster jessicae | ||
|authority=Piper | |authority=Piper | ||
| + | |rank=species | ||
| + | |publication_title=Erythea | ||
| + | |publication_place=6: 30. 1898 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Symphyotrichum jessicae | name=Symphyotrichum jessicae | ||
| − | |||
|authority=(Piper) G. L. Nesom | |authority=(Piper) G. L. Nesom | ||
|rank=species | |rank=species | ||
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|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1995 | |publication year=1995 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1198.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Symphyotrichum | |genus=Symphyotrichum | ||
Latest revision as of 19:59, 5 November 2020
Perennials, 40–150 cm, colonial; long-rhizomatous. Stems 1–5+, ascending to erect, densely puberulent to lanate, especially distally. Leaves thickish, margins entire or shallowly crenate, apices acute to ± obtuse, faces densely lanate-puberulent; basal withering by flowering, petiolate, blades obovate to elliptic, 30–150 × 10–40 mm, bases cuneate to rounded, margins entire, ciliolate, apices acute, faces densely cinereous to lanate; proximalmost cauline sometimes withering by flowering, subpetiolate or sessile, blades obovate-lanceolate to elliptic, 50–100 × 10–25(–35) mm, bases cuneate, clasping, ± auriculate, apices usually acute; distal sessile, blades 20–60(–80) × 9–16(–20) mm, bases rounded to auriculate. Heads in paniculiform, very leafy arrays, branches 4–10(–20) cm. Peduncles densely lanate, bracts 1–8, elliptic, margins ciliolate, apices acute, puberulent. Involucres campanulate, 6–10 mm. Phyllaries in 4–6 series, oblanceolate (outer) to linear (inner), unequal, bases scarious (outer sometimes foliaceous), margins slightly scarious, entire, green zones obovate to elliptic, apices acute, faces densely lanate to cinereous. Ray florets 18–40; corollas violet, laminae (8–)12–20 × 1–2(–2.5) mm. Disc florets 35–80+; corollas yellow, 6–9 mm, lobes triangular, 0.4–1 mm. Cypselae brown, cylindric to obovoid, not compressed, 3.5–4.5 mm, 4–5-nerved, faces sparsely hairy; pappi tawny, (6–)7–9 mm. 2n = 80.
Phenology: Flowering Aug–Sep.
Habitat: Dry grasslands, meadows, stream banks, openings in Ponderosa pine woodlands
Elevation: 500–1200 m
Discussion
Of conservation concern.
Symphyotrichum jessicae is known only from the Palouse and Clearwater river drainages of eastern Washington and adjacent northwestern Idaho.
Selected References
None.