Chromolaena ivifolia
ivyleaf thoroughwort
Family
Asteraceae
Leaf Arrangement
opposite
Leaf Attachment
petiolate
Leaf Margin
entire, serrate
Leaf Type
simple
Leaf Shape
linear, lanceolate
Growth Form
forb, shrub
Flower Color
blue, pink, purple
Flower Month
September - November
Height (meters)
0.5 - 2.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Growing Season
Warm season
Prairie Coefficient of Conservatism
5
Cultural Information
The seeds of most species of Eupatorium benefit from cold/dry stratification (Steffen 1997). Seeds average approximately 2,600,000/lb.
Animal Use
The seeds are eaten by birds.
Natural History
Restricted to Texas, Louisiana and Mississippi (USDA 1998). 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."