Family: Asteraceae
late boneset, late eupatorium, late-flowering thoroughwort
Etymology: Eupatorium: from Greek name Mithridates Eupator, King of Pontus about 115BC who is said to have discovered an antidote to a commonly used poison in one of the species
Plants: perennial forb
Conservation Status: Introduced - adventive
Plants: perennial forb
Conservation Status: Introduced - adventive
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FAC+ USDA Plants Database: Federal Distribution and detailed information including photos David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key