Difference between revisions of "Eucephalus engelmannii"
Pittonia 3: 54. 1896.
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|name=Aster elegans var. engelmannii | |name=Aster elegans var. engelmannii | ||
|authority=D. C. Eaton | |authority=D. C. Eaton | ||
| + | |rank=variety | ||
|publication_title=in S. Watson, Botany (Fortieth Parallel), | |publication_title=in S. Watson, Botany (Fortieth Parallel), | ||
|publication_place=144. 1871 (as engelmanni) | |publication_place=144. 1871 (as engelmanni) | ||
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|name=Aster engelmannii | |name=Aster engelmannii | ||
|authority=(D. C. Eaton) A. Gray | |authority=(D. C. Eaton) A. Gray | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Eucephalus;Eucephalus engelmannii | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Eucephalus;Eucephalus engelmannii | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eucephalus engelmannii | name=Eucephalus engelmannii | ||
| − | |||
|authority=(D. C. Eaton) Greene | |authority=(D. C. Eaton) Greene | ||
|rank=species | |rank=species | ||
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|publication year=1896 | |publication year=1896 | ||
|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_46.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Eucephalus | |genus=Eucephalus | ||
Revision as of 20:28, 16 December 2019
Perennials 50–120(–150) cm (with caudices or stout rhizomes). Stems ascending to erect, glabrate or pilose, eglandular to ± densely glandular. Leaves: mid and distal blades elliptic to lance-ovate, 5–10 cm × 15–35 mm, faces glabrous and eglandular to adaxially villous and/or ± glandular. Heads 5–15(–40) in racemiform to corymbiform arrays. Peduncles often stipitate-glandular. Involucres turbinate, 7–10 mm. Phyllaries in 4–6 series (strongly unequal, often reddish apically), linear to lance-ovate, acute to acuminate, pubescent to glandular or glabrate abaxially, villous adaxially, especially distally (appearing ciliate toward tips). Rays usually 8 or 13, white to pink. Cypselae usually pilose; pappus bristles in 2 series, barbellate. 2n = 18.
Phenology: Flowering Jul–Aug.
Habitat: Open coniferous forests, montane and subalpine meadows
Elevation: 500–3000 m
Distribution
Alta., B.C., Colo., Idaho, Mont., Nev., Utah, Wash., Wyo.
Discussion
Forms of Eucephalus engelmannii from the Cascade Mountains with leaves more densely pubescent on the abaxial faces may reflect intergradation with E. ledophyllus.
Selected References
None.