Page author: David Giblin
Symphyotrichum foliaceum
alpine leafybract aster, Canby's leafybract aster, Cusick's American aster, Cusick's aster, Henderson's aster, Kootenai aster, leafy aster, leafy-bracted aster, Parry's aster
WTU specimens
Other herbaria

Distribution: Alaska to California, east to Colorado

Habitat: Open, usually moist areas, low to high elevations in the mountains.

Flowers: July-September

Origin: Native

Conservation Status: Not of concern

Description:
General:

Fibrous-rooted perennial from a creeping rhizome, highly variable in size, the herbage glabrous or soft-pubescent.

Leaves:

Leaves entire, the lower oblanceolate to obovate, petiolate, often deciduous; other leaves lanceolate to ovate, sessile, 5-12 cm. long and 1-4 cm. wide, 3.5-7 times as long as wide.

Flowers:

Heads 1-many in a flat-topped inflorescence; involucre bracts leafy, imbricate, white-margined at the base; disk flowers numerous, yellow; rays 15-60, 1-2 cm. long, pistillate, rose-purple to blue or violet; pappus of numerous capillary bristles, white or tawny.

Fruits:

Fruit an achene.

Accepted Name:
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom
Publication: Phytologia. 77: 282. 1995.

Synonyms & Misapplications:
Aster cusickii A. Gray
Aster foliaceus Lindl. ex DC. [HC]
Aster foliaceus Lindl. ex DC. var. apricus A. Gray [HC]
Aster foliaceus Lindl. ex DC. var. canbyi A. Gray [HC]
Aster foliaceus Lindl. var. cusickii (A. Gray) Cronquist [HC]
Aster foliaceus Lindl. ex DC. var. foliaceus [HC]
Aster foliaceus Lindl. ex DC. var. frondeus A. Gray
Aster foliaceus Lindl. ex DC. var. lyallii (A. Gray) Cronquist [HC]
Aster foliaceus Lindl. ex DC. var. parryi (D.C. Eaton) A. Gray [HC]
Aster hendersonii Fernald
Symphyotrichum cusickii (A. Gray) G.L. Nesom [FNA20]
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. apricum (A. Gray) G.L. Nesom [FNA20]
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. canbyi (A. Gray) G.L. Nesom [FNA20]
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. foliaceum [FNA20]
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. parryi (D.C. Eaton) G.L. Nesom [FNA20]
Symphyotrichum hendersonii (Fernald) G.L. Nesom [FNA20]
Additional Resources:

PNW Herbaria: Specimen records of Symphyotrichum foliaceum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Symphyotrichum foliaceum checklist entry.

E-Flora BC: Symphyotrichum foliaceum atlas page.

CalPhotos: Symphyotrichum foliaceum photos.

USDA Plants: Symphyotrichum foliaceum information.

65 photographs:
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