Agrimonia eupatoria is a perennial herb from a rhizome, stems to 1 m tall, densely hairy below.
Leaves subopposite, at least on lower stem, pinnately compound, larger leaflets to 2.5 cm long, oblong, about opposite, interspersed with much smaller leaflets, hairy on both sides, margins toothed.
Flowers yellow, radially symmetrical, petals 5, to 0.5 cm long, expanded floral base (hypanthium) hairy, covered with hooked bristles.
Fruit dry, to 1 cm long, covered by hardened, hooked bristles, old calyx folded inward, forming a beak at top.
Wetland status: UPL.
Frequency in NYC: Very infrequent.
Habitat: Open sites, roadsides.
Notes: Formerly used as a medicinal and source of yellow dye.