Plant habit at Devil's Den State Park, northwestern Arkansas, 24 Mar 2008.
Flowers at Devil's Den State Park, Arkansas, 24 Mar 2008.
Immature fruits at Devil's Den State Park, Arkansas, 24 Mar 2008.
Basal leaves at Devil's Den State Park, Arkansas, 24 Mar 2008.
Plant habit on the Indiana University campus, 3/1/04.
Closer view of flowers on the IU campus, 3/1/04.