alternate, opposite, whorled
linear, elliptic, lanceolate
June - October
0.2 - 1.2
Has reduced leafy branches arising from leaf axils which distinguishes it from E. leucolepis which also has narrow leaves.
The seeds of most species of Eupatorium benefit from cold/dry stratification (Steffen 1997). Seeds average approximately 1,900,000/lb.
The seeds of several Eupatoriums are eaten by birds. Cattle rarely graze it.
The species in this genus had many medicinal uses by early pioneers. Their leaves were used as a poultice under splints to heal broken bones, which explains the origin of its common name, "boneset." Eupatorium hyssopifolium ranges from Texas to Florida, north to Rhode Island.
Old fields, woodlands, savannas, and pine barrens, especially dry sandy soil.