Synonyms of white alder

Noun

1. white alder, mountain alder, Alnus rhombifolia, alder, alder tree

usage: tree of western United States

2. sweet pepperbush, pepper bush, summer sweet, white alder, Clethra alnifolia, shrub, bush

usage: shrub of eastern and southern coastal United States having beautiful racemes of spice-scented white flowers