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.
Globe-flower: Honey-balls: Button-ball Shrub: River-bush.
Cephalanthus occidentalis.
Madder Family. July - Sept.
A shrub 3 - 12 feet high. Found in wet ground and beside ponds and streams. New Brunswick to Florida and Cuba, westward to Arizona and California.
White, small, clustered in round heads.
Opposite, or in whorls of 3.

Buttonbush.
 
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