Silphium perfoliatum
cup plant, cup-plant, cupleaf rosinweed, squarestem rosinweed, indian cup
Photo credit: Larry Allain, U.S. Geological Survey
Photo credit: Larry Allain, U.S. Geological Survey
Family
Asteraceae
Leaf Arrangement
opposite
Leaf Attachment
clasping
Leaf Margin
dentate, serrate, toothed
Leaf Type
simple
Leaf Shape
deltoid, ovate
Growth Form
forb
Flower Color
yellow
Flower Month
June - September
Height (meters)
1.0 - 3.0
Milky Sap
Yes
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Wetland Class
FAC
Habitat
Moist low ground, roadside ditches, open wooded areas, marshes, low meadows, alluvial woods.