Difference between revisions of "Erigeron asperugineus"
Notes Compositae, 91. 1880.
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|name=Aster asperugineus | |name=Aster asperugineus | ||
|authority=D. C. Eaton | |authority=D. C. Eaton | ||
| + | |rank=species | ||
| + | |publication_title=in S. Watson, Botany (Fortieth Parallel), | ||
| + | |publication_place=142. 1871 | ||
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name=Erigeron asperugineus | name=Erigeron asperugineus | ||
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|publication title=Notes Compositae, | |publication title=Notes Compositae, | ||
|publication year=1880 | |publication year=1880 | ||
| − | |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_663.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Latest revision as of 21:04, 5 November 2020
Perennials, 2–20 cm; slenderly taprooted, caudices usually branched. Stems usually decumbent-ascending, moderately to densely hirsutulous to hirtellous (hairs usually deflexed), eglandular. Leaves basal (persistent) and cauline; basal blades 1-nerved or weakly 3-nerved, spatulate, rhombic-elliptic to obovate or oblanceolate (often folding), 20–50(–80) × 3–10(–13) mm, cauline gradually or abruptly reduced and linear distally (bases abruptly contracted to petioles), margins entire, faces moderately to densely hirsutulous, eglandular. Heads 1(–2). Involucres 5–9 × 7–14 mm. Phyllaries in 3–4 series (tips and margins often purple), sparsely to moderately hirsutulous, densely minutely glandular. Ray florets 10–25; corollas deep blue or violet to rose-purple, 5–10 mm, laminae not coiling or reflexing. Disc corollas 4.2–6.3 mm. Cypselae 2.5–3.1 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 20–30 bristles.
Phenology: Flowering Jul–Aug.
Habitat: Rocky or gravelly slopes and ridges, talus, sagebrush or meadow edges, limber pine, whitebark pine, fir-pine
Elevation: (2100–)2500–3300 m
Distribution
Idaho, Mont., Nev., Utah.
Discussion
Erigeron asperugineus sometimes is very similar in aspect to E. clokeyi var. pinzliae; the latter differs in its narrower leaves, coarsely ciliate petioles, broader and non-reflexing rays, and shorter cypselae.
Selected References
None.