Blooms: July-September
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Meadows and forest openings, moderate to mid-elevations in the mountains.
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Meadows and forest openings, moderate to mid-elevations in the mountains.
Species Description:
General: Fibrous-rooted perennial from a creeping rhizome, the stems 2-10 dm. tall.
Leaves: Leaves glabrous and entire, the lower ones oblanceolate and petiolate, the others narrower and sessile, 3-15 cm. long and 3-10 mm. wide.
Flowers: Heads 1-many in a flat-topped inflorescence; involucre 5-7 mm. high, its bracts usually pointed, narrow, linear or linear-oblong, green to the base and minutely purple-tipped; disk flowers numerous, yellow; rays 20-50, blue or violet, 6-15 mm. long; pappus of numerous capillary bristles.
Fruits: Achenes hairy.
General: Fibrous-rooted perennial from a creeping rhizome, the stems 2-10 dm. tall.
Leaves: Leaves glabrous and entire, the lower ones oblanceolate and petiolate, the others narrower and sessile, 3-15 cm. long and 3-10 mm. wide.
Flowers: Heads 1-many in a flat-topped inflorescence; involucre 5-7 mm. high, its bracts usually pointed, narrow, linear or linear-oblong, green to the base and minutely purple-tipped; disk flowers numerous, yellow; rays 20-50, blue or violet, 6-15 mm. long; pappus of numerous capillary bristles.
Fruits: Achenes hairy.
Subspecies & Varieties:
Ours is var. spathulatum
Accepted Name:
Symphyotrichum spathulatum (Lindl.) G.L. NesomSynonyms:
(none)
Treated in Flora of the PNW as:
Aster occidentalis
Additional Resources:
PNW Herbaria Specimens: View list of Symphyotrichum spathulatum specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Symphyotrichum spathulatum specimens in the WTU Herbarium database.
Washington Flora Checklist: Symphyotrichum spathulatum treatment.
E-Flora BC: Symphyotrichum spathulatum atlas page.
CalPhotos: Symphyotrichum spathulatum images.
USDA Plants Database: Symphyotrichum spathulatum.
Dana Visalli
Dana Visalli
Richard Old
Richard Old
Richard Old
Don Knoke, 2007
Don Knoke, 2007
G. D. Carr, 2007
G. D. Carr, 2007
G. D. Carr, 2007
Susan McDougall, 2004
Susan McDougall, 2006
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 WA Native Plant Society |
