- a large, sweet, dark-purple berry, a cross between a blackberry and a dewberry
- the trailing bramble bearing this fruit
Origin of youngberryafter B. M. Young, 19th-c. United States horticulturist
- A trailing, prickly shrub that is a hybrid between a blackberry and a dewberry.
- The edible, dark red berry of this plant.
Origin of youngberryAfter B.M. Young (fl. 1905), American fruit grower
Named for its cultivator, Byrnes M. Young.