sourgum
Entry from US Dictionary
Pronunciation: /ˈsou(ə)rˌgəm/
(also sour gum)
noun
- a tupelo of eastern North America, with dark bark that has a deeply checkered pattern. Its bitter blue fruits are eaten by black bears and numerous species of birds. Also called black gum, black tupelo, pepperidge.
- Nyssa sylvatica, family Nyssaceae