Webster's Revised Unabridged Dictionary
So called after a Dr. Culver, who used it
Chambers's Twentieth Century Dictionary
Prob. from one Dr Culver.
Culver's-root has a bitter and acrid taste, but no odor.
"Ginseng and Other Medicinal Plants" by A. R. (Arthur Robert) Harding
Culver's root glows in the light of the morning sun, Wolf Road Prairie, Westchester, Illinois.