UW Burke Herbarium species comparison

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Symphyotrichum foliaceum

Symphyotrichum novae-angliae

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

New England aster
Habit Fibrous-rooted perennial from a creeping rhizome, highly variable in size, the herbage glabrous or soft-pubescent. Stout perennial from a very short, thick rhizome and numerous fibrous roots, the stems 5-20 dm. tall, clustered.
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.

Leaves lanceolate, pointed, 5-13 cm. long and 1-4 cm. wide, entire, sessile and clasping, slightly reduced upward, the lower early-deciduous.
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.

Inflorescence open, with several large heads;

involucre glandular, the bracts somewhat leafy;

disk flowers numerous, yellow;

rays 45-100, bright pink-purple;

pappus of numerous capillary bristles.
Fruits

Fruit an achene.

Achenes densely hairy.

Symphyotrichum foliaceum

Symphyotrichum novae-angliae
Flowering time July-September July-September
Habitat Open, usually moist areas, low to high elevations in the mountains. Roadsides and disturbed areas where somewhat moist.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
[WildflowerSearch map]
[BONAP county map]
Occurring in scattered locations on both sides of the Cascades crest in Washington; southwestern British Columbia to Oregon, east to the Rocky Mountains; native from central North America east to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Origin Native Introduced from central and eastern North America
Conservation status Not of concern Not of concern
Sibling taxa
S. ×amethystinum, S. ascendens, S. boreale, S. bracteolatum, S. campestre, S. chilense, S. ciliatum, S. ×columbianum, S. ericoides, S. frondosum, S. hallii, S. jessicae, S. laeve, S. lanceolatum, S. novae-angliae, S. pilosum, S. spathulatum, S. subspicatum
S. ×amethystinum, S. ascendens, S. boreale, S. bracteolatum, S. campestre, S. chilense, S. ciliatum, S. ×columbianum, S. ericoides, S. foliaceum, S. frondosum, S. hallii, S. jessicae, S. laeve, S. lanceolatum, S. pilosum, S. spathulatum, S. subspicatum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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