Symphyotrichum lowrieanum is a perennial herb, about 50 cm tall, from a short rhizome, similar to A. cordifolius but hairless.
Leaves alternate, very smooth, often somewhat fleshy, with a waxy bloom, stalk winged, blade narrower, less lobed at base, sometimes stalkless (sessile) and lanceolate.
Flowers in small, daisy-like heads, rays blue, disc flowers yellow, turning red-purple, bracts of flower head green; blooming Aug.-Oct.
Fruit dry, 1-seeded, achene, with tuft of hairs (pappus), wind dispersed.
Wetland status: UPL.
Frequency in NYC: Very infrequent.
Habitat: Upland woods.