any of a genus (Calycanthus) of hardy shrubs (family Calycanthaceae) of a dicotyledonous order (Laurales) of plants, bearing reddish-brown, sweet-smelling flowers
See Carolina allspice in American Heritage Dictionary 4
noun
A species of sweet shrub (Calycanthus floridus) native chiefly to the southeast United States. Also called strawberry shrub.