Compilation
Aster engelmannii

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Name

Identification
Aster engelmannii (D.C. Eaton) A. Gray [family ASTERACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Eurybia merita
  • Eucephalus macounii
  • Aster engelmannii
  • Aster elegans
  • Aster glaucescens
  • Eucephalus glaucescens
  • Eucephalus ledophyllus
  • Aster radulinus
Common name
  • Engelmann’s aster, Flora of North America Vol. 20
  • Cascade aster, Flora of North America Vol. 20
  • Klickitat aster, Flora of North America Vol. 20
  • Olympic Mountain aster, Flora of North America Vol. 20

Flora

Entry for Eucephalus engelmannii (D. C. Eaton) Greene [family ]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Eucephalus engelmannii (D. C. Eaton) Greene [family ], Pittonia, 3: 54. 1896
Aster elegans (Nuttall) Torrey & A. Gray var. engelmannii D. C. Eaton [family COMPOSITAE], in S. Watson, Botany (Fortieth Parallel), 144. 1871 (as engelmanni)
Aster engelmannii (D. C. Eaton) A. Gray [family COMPOSITAE]
Treatment Author(s)
Geraldine A. Allen
Information
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
jul-aug (summer)
Altitude range
500–3000 m;
Distribution
USA Colo.USA IdahoUSA Mont.USA Nev.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C.
Discussion
Forms of Eucephalus engelmannii from the Cascade Mountains with leaves more densely pubescent on the abaxial faces may reflect intergradation with E. ledophyllus.

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