Plants 20–50 cm. Cauline leaf bases cuneate or sometimes rounded, not clasping. Heads usually 5–20. Phyllaries green, oblanceolate (outer) to linear (inner), unequal, outer exceeding inner and wider, outer often foliaceous, apices acute. 2n = 16, 32, 48, 64, 80, 96.


Phenology: Flowering Jun–Sep.
Habitat: Openings in montane woods, middle to high elevation grasslands, alpine meadows
Elevation: 1400–3200 m

Distribution

V20-1188-distribution-map.gif

Alta., B.C., Alaska, Mont., Wash.

Discussion

Variety foliaceum is more common in the northern part of the range of the species.

Selected References

None.

Lower Taxa

None.
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(Lindley ex de Candolle) G. L. Nesom +
Aster foliaceus +
Alta. +, B.C. +, Alaska +, Mont. +  and Wash. +
1400–3200 m +
Openings in montane woods, middle to high elevation grasslands, alpine meadows +
Flowering Jun–Sep. +
Illustrated +  and Endemic +
Aster sect. Heterastrum +  and Aster subg. Symphyotrichum +
Symphyotrichum foliaceum var. foliaceum +
Symphyotrichum foliaceum +
variety +