Purple Berry With Green Inside. Types of Bumpy Green Fruit. Deadly nightshade is one of the most toxic plants in the Eastern Hemisphere as all parts of the plant contain tropane alkaloids.
To a child pokeberries look like grapes. A decent number of other plants out there have purple berries or clusters of tiny white flowers and some are poisonous. Although blueberries may look similar on the outside the inside color will tell you which kind they are.
That my friends is anthocyanins fault.
The hackberry tree can grow up to 80 100 feet in height. While the blueberries skin is typically dark blue or dark purple the inside can have various colors. If you spot berries that look similar to a long cluster of grapes you may be looking at pokeberries which are mildly toxic. Two cultivars of this species also bear purple berries.