This section is from the book "Who's Who Among The Wild Flowers", by W. I. Beecroft. Also available from Amazon: A Field Guide to Edible Wild Plants.
Rheumatism Root.
Jeffersonia diphylla. Barberry Family. Apr. - May.
Found in rich, shady woods. New York to Wisconsin, south to Tennessee.
White, 8 divisions, 1 inch broad, solitary, on stalk about 7 inches high, twice as tall in seed time.
From the root, long-stemmed, parted into 2 divisions.
 
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