Synonyms for Swamp Laurel (same or very similar meaning)
WordNet sense 1 (laurel of bogs of northwestern United States having small purple flowers and pale leaves that are glaucous beneath):
bog kalmia, bog laurel, Kalmia polifolia
WordNet sense 2 (shrub or small tree having rather small fragrant white flowers; abundant in southeastern United States):
sweet bay, Magnolia virginiana, swamp bay
From the ODE community, based on WordNet
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