Flat-topped White Aster
(formerly Aster umbellatus)
Other common names:
Flat-topped Aster, Parasol Whitetop, Umbellate Aster|
Other scientific names:
Aster umbellatus, Aster pubentior
Aster à ombelles
Composite Family (Asteraceae)
Flat-topped white flower head with white flowers. Vein pattern on leaves.
Large-leaved Aster (Eurybia macrophylla)
Summer, Autumn; White; 7 or more parts (petals); 2cm in diameter. Ray flowers: 4-15, white. Disc flowers: 10-40, yellow becoming brown. Usually arranged in a flat-topped cluster, but with exceptions.
Alternate, Simple; Lance-shaped, with prominent veins. They are smooth when rubbed in one direction, rough the other way.
100-150 cm (39-59 in)
Forests, Wet Areas, Moist Meadows; Moist woods and swamps, fens.
Grows in Sun/Shade:
Newcomb's Wildflower Guide: 462
Peterson's Field Guide to Wildflowers: 96
This Aster is fairly easy to recognize due to the flat-topped flower umbel (although it does vary a bit). Look for the prominent vein pattern on the leaves, which is distinctive.
Origin and Meaning of Names:
Scientific Name: umbellata: bearing umbelsumbellatus: like umbels
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Range Map is at the bottom of the page