Ageratina aromaticum  (Eupatorium aromatica) smaller white snakeroot Asteraceae EUAR; R, ah (Lamont and Young 2002);

   

Ageratina aromatica_2 plant. David G. Smith. Delaware Wildflowers. delawarewildflowers.org (Accessed 7/2017).

Ageratina aromaticum is a perennial herb to 80 cm tall, much like A. rugosum, leaves smaller, thicker. 

Leaves opposite, very short-stalked, blade 3-7 cm long, 2-5 cm wide, thick, firm, tip blunt to pointed, margin blunt-toothed (crenate). 

Ageratina aromatica.David G. Smith. Delaware Wildflowers. delawarewildflowers.org

Ageratina aromatica.David G. Smith. Delaware Wildflowers. delawarewildflowers.org (Accessed /2017).

Flowers white, 10-19 per head, no rays, basal bracts blunt to pointed; blooms Aug-Oct. 

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

Wetland status: UPL. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Dry woods.