(formerly Aster laevis)
Other common names:
Glaucous Aster, Smooth Blue Aster, Smooth-leaved Aster|
Other scientific names:
Composite Family (Asteraceae)
Very smooth, waxy, almost rubbery leaves. Smooth stem.
New England Aster (Symphyotrichum novae-angliae) - flowers have many more rays, leaves & stem are rough.
Azure Aster (Symphyotrichum oolentangiense) - also has few ray flowers.
Purple-stemmed Aster (Symphyotrichum puniceum) - also may have a purplish stem.
Summer, Autumn; Blue/Violet; 7 or more parts (petals); 2-3cm in diameter. Ray flowers: about 17, pale blue, rarely white. Disc flowers: 24-40, yellow becoming purple. Sparse, open flower head.
Unique: Smooth, waxy, thick, almost rubbery. Bluish-green, not toothed. Clasping stem a little.
Up to 100 cm (39 in)
Waxy, smooth, with a whitish bloom.
Fields and Open Areas; Open areas, dry or moist.
Grows in Sun/Shade:
Newcomb's Wildflower Guide: 460
Peterson's Field Guide to Wildflowers: 356
This is a fairly easy Aster to identify. The leaves are unique.
Origin and Meaning of Names:
Scientific Name: : smooth
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Range Map is at the bottom of the page