Difference between revisions of "Erigeron muirii"
Proc. Amer. Acad. Arts 17: 210. 1882.
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|common_names=Muir’s fleabane | |common_names=Muir’s fleabane | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
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|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year=1882 | |publication year=1882 | ||
| − | |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_732.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Latest revision as of 21:05, 5 November 2020
Perennials, 3–10(–12) cm; rhizomatous, fibrous-rooted, rhizomes or caudices simple, relatively short and thick. Stems erect, densely cobwebby-lanate (hairs white), eglandular. Leaves basal (persistent) and cauline; blades oblanceolate to subspatulate, (10–)20–60 × 2–10 mm, margins entire, faces lanate, eglandular; cauline blades oblong to linear-oblong, gradually reduced, bractlike. Heads 1. Involucres 8–10 × 12–20 mm. Phyllaries in 2(–3) series (purple beneath pubescence), densely and closely lanate, sparsely glandular (glandularity obscured). Ray florets 60–100; corollas white, often drying pinkish, 8–13 mm (mostly 1–2 mm wide), laminae coiling. Disc corollas 3.5–5 mm. Cypselae 1.9–2.2 mm, 2-nerved, faces strigose-hirsute; pappi: outer of setae, inner of 13–20 bristles. 2n = 18.
Phenology: Flowering Jul–Aug.
Habitat: Rocky slopes and ridges, tundra, gravel barrens, sandstone outcrops
Elevation: 300–1000 m
Discussion
Of conservation concern.
Erigeron muirii is known from Herschel Island in northern Yukon. Its densely lanate vestiture gives the whole plant a gray-green aspect.
Selected References
None.