This genus of flowering deciduous or evergreen shrubs and small trees contains around 75 species although the number is being re-evaluated by taxonomists. It was originally named by Linnaeus in 1753.

Clethra alnifolia Sweet Pepperbush
C. barbinervis Summersweet
C. pringlei Mexican Summersweet
C. tomentosa Woolly Summersweet


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