Synonyms for Fothergilla (same or very similar meaning)
WordNet sense 1 (any of several deciduous low-growing shrubs of the genus Fothergilla having showy brushlike spikes of white flowers in spring and fiery red and orange autumn color; grows from Alabama to the Allegheny Mountains):
witch alderWordNet sense 2 (small genus of deciduous shrubs of the southeastern United States):
genus FothergillaFrom the ODE community, based on WordNetadd/edit