Agrimonia rostellata flowers. species.wikimedia.org (Accessed 7/2017).

Agrimonia rostellata is a perennial herb; roots sometimes tuberous, stems to 1 m, branches slender, mostly hairless; stipules leaf-like, narrow, 1 cm wide or less, toothed. 

http://src.sfasu.edu/~jvk/PineywoodsPlants/Eudicotyledons/Rosaceae/lrAgrimonia_rostellata4.jpg (Accessed 7/017).

Leaves alternate, pinnately compound, major leaflets 3-9, narrow, widest above middle, coarsely, bluntly toothed, glandular below (sprinkled with tiny dots), interspersed with 1-3 very small leaflets. 

Flowers yellow, radially symmetrical, 0.2 cm, base of flower (calyx tube) enlarged, rimmed above with hooked bristles but not hairy; inflorescence stalk glandular, unbranched; blooms July-Sept. 

Agrimonia rostellata. fruit. http///src.sfasu.edu/~jvk/PineywoodsPlants/Eudicotyledons/Rosaceae/lrAgrimonia_rostellata4 (Accessed 7/2017).

Fruit dry, about 0.4 cm long, hooked bristles stiff, tip beaked. 

Wetland status: FACU. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Open woods.