Simplify the following text for a Grade 8 native English-speaking person.
Original: The kiwifruit , often shortened to kiwi in many parts of the world , is the edible berry of a cultivar group of the woody vine Actinidia deliciosa and hybrids between this and other species in the genus Actinidia .
Simplified: Kiwifruit ( Actinidia deliciosa ) is a fruit .