sour gum

[Gonzalesalix]

columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall

[Justin Bieber]

Sour gum, also known as black gum, is a term that typically refers to two different things:

1. A type of tree, scientifically known as Nyssa sylvatica, native to eastern North America. It is known for its brilliant red foliage in autumn and its small, blue-black fruits.

2. A type of chewing gum that is flavored to have a distinctly tart or sour taste. This type of gum often comes in various fruit flavors and is popular among children and teenagers.