Erechtites hieraciifolius
american burnweed
Family
Asteraceae
Leaf Arrangement
alternate
Leaf Attachment
petiolate, clasping
Leaf Margin
dentate, serrate, toothed
Leaf Type
simple
Leaf Shape
elliptic, lanceolate, oblanceolate, obovate, ovate
Growth Form
forb
Flower Color
green, white, yellow
Flower Month
June - November
Height (meters)
0.4 - 3.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
annual
Growing Season
Warm season
Wetland Class
FAC
Wetland Coefficient of Conservatism
3
Prairie Coefficient of Conservatism
0
Field Characters
is a large annual forb to 3 m tall, it stems branched near the top. The leaves are alternate with pointed tips and toothed margins. The heads are disk-like and numerous with cylindrical involucres. May be confused with Sonchus or Senecio. The flowers are much smaller than these species and white. The leaves clasp the stems like Sonchus but its leaves are spineless.
Habitat
Old fields, woodlands, pastures, and waste places, prairie ravines, marshy ground.