Eupatorium rotundifolium.copyright Bobby Hattaway-2011.i_tqbh2228.discoverlife-org

Eupatorium rotundifolium is a perennial herb, 30-150 cm tall, stems stiff, solitary or in twos, most parts finely hairy. 

Eupatorium rotundifolium leaves. By Robert H. Mohlenbrock. Public Domain. USDA-NRCS Plants Database – plants.usda.gov (Accessed 12/2/2018).

Leaves opposite, stalkless (sessile), blade rounded to broadly egg-shaped, 2-12 cm long, 1-6 cm wide, usually rough above, tip pointed, base blunt, margin toothed, veins palmate at base. 

Eupatorium rotundifolium flowers and leaves. lohwoman.blogspot.com (Accessed 12/2/2018).

Flowers white, 5 per head, bracteate base 0.5-0.6 cm tall, bracts hairy, minutely glandular, in flat-topped clusters; blooms July-Sept.

Eupatorium rotundifolium in fruit. Richard P. Wonderlin. University of South FL. cdn.plantatlas.org (Accessed 12/2018).

Fruit dry, 1-seeded, 5-angled plumed achene. 

Wetland status: FAC-. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Open areas, moist to wet soil.