Eupatorium pilosum ragged eupatorium Asteraceae EUPI; Q, j (Stalter and Lamont 2002); R, cl;


Eupatorium Patterson

Eupatorium pilosum. Copyright ©Bruce Patterson.New England Wild Flower (Accessed 4/2014).

Eupatorium pilosum is a perennial herb, 30-150 cm tall, most parts rough hairy and sprinkled with tiny glandular dots. 

Leaves opposite, stalk short to none, blade reduced and sometimes alternate above, lance-shaped, coarsely, unevenly toothed, major veins 3, often lacking teeth near leaf tip. 

Eupatorium pilosum florets. © Jeffrey S. Pippen. (Accessed 11/2018).

Flowers white, heads 5-flowered, bracteate base about 0.5 cm tall; inflorescence open, flat-topped; blooms Sept.

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

Wetland status: FACW. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Open bogs or part shade, acid, sandy soil.