Synonyms for Spicebush (same or very similar meaning)
WordNet sense 1 (deciduous shrub of the eastern United States having highly aromatic leaves and bark and yellow flowers followed by scarlet or yellow berries):
American spicebush, Benjamin bush, Benzoin odoriferum, Lindera benzoinWordNet sense 2 (straggling aromatic shrub of southwestern United States having fragrant brown flowers):
California allspice, Calycanthus occidentalisFrom the ODE community, based on WordNetadd/edit