Poison dogwood, also known as Cornus florida, is a plant species that is native to eastern North America. The name "poison dogwood" can be misleading, as the plant itself is not poisonous. Rather, it earned its name due to its bark being used in the past as an emetic, or a substance that induces vomiting. If you are looking for synonyms for "poison dogwood," you may consider using its scientific name, Cornus florida, or other common names such as flowering dogwood or American dogwood. Other synonyms for the word "poison" may include toxic, harmful, or lethal, while synonyms for "dogwood" may include hardwood or tree.