Synonyms for Spiraea (same or very similar meaning)
WordNet sense 1 (a Japanese shrub that resembles members of the genus Spiraea; widely cultivated in many varieties for its dense panicles of flowers in many colors; often forced by florists for Easter blooming):
spirea, Astilbe japonica
WordNet sense 2 (a dicotyledonous genus of the family Rosaceae):
genus Spiraea
From the ODE community, based on WordNet
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