Black gum: Its common name is used to distinguish the Nyssa genus plants from other plants. As her tree bark displayed a black surface with a similar wrinkled texture to alligator skin. Although none of the parts have any sticky and gelatinous substance, it is still called black gum.
Black tupelo: Tupelo is a plant from the Native American origin, coming from the Creek words ito meaning "tree" and opilwa meaning "swamp". It was used during the mid-18th century. While these trees are often known simply as "tupelo", the complete name, black tupelo helps distinguish it from the other species from the tupelo genus.