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.
Sessile-leaved Twisted Stalk.
Streptopus roseus. Lily Family. . May - July.
A plant 1 - 2 l/2 feet high, found in moist woods. Newfoundland to Minnesota, south to Ohio, Pennsylvania, mountains of Georgia.
Bell-shaped, dull, purplish pink, solitary, from the axils of the leaves.
Alternate, seated on stem.

Twisted-stalk.
S. amplexifolius. Differs from the preceding in its greenish flowers with widely spreading segments, and whitish bloom on the under side of the leaves. Leaves strongly clasping.
 
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