Vernonia noveboracensis is a perennial herb, 1-2 m tall. Winter plant dark brown with numerous flower heads.
Leaves alternate, stalkless, lance-shaped, 10-28 cm long, 1.5-6 cm wide, tip long pointed, gradually narrowed to base, rough above, hairy below, margin toothed or almost entire
Flowers purple, in heads with 30-55 flowers, bracts at base of head 0.7-1.7cm long with long, filament-like tips; inflorescence open, flat-topped to indented; blooms Aug.-Oct.
Fruit dry, an achene with dark brownish plume.
Wetland status: FACW+.
Frequency in NYC: Very infrequent.
Habitat: Open marshes, wet edges.