Noun: sour-gum family
- A family of dicotyledonous trees of order Myrtales that includes the sour gum trees
"The sour-gum family includes many species native to North America";
- Nyssaceae, family Nyssaceae, tupelo family
Type of: dicot family, magnoliopsid family
Part of: Myrtales, order Myrtales, order Thymelaeales, Thymelaeales