This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
About 5 feet high. A smooth, soft plant, with soft, downy compound corymbs of flowers. Leaves, opposite, or 3 in a whorl, tapering from a rounded, broad base to a point; sessile, toothed, very veiny, 3 to 6 inches long. Late summer and fall.
Among the mountains and in thickets from Massachusetts to Illinois and southward.
 
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