This perennial herb is common to many woodlands of the eastern parts of the US, these plants feature yellow flowers.
L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917)
1875×2400, 849.0 KiB
800×1024, 140.7 KiB
500×640, 66.1 KiB
250×320, 19.8 KiB