boysenberry
cross between a European Raspberry (Rubus idaeus), a Common Blackberry (Rubus fruticosus), an American Dewberry (Rubus aboriginum) and a Loganberry (Rubus × loganobaccus)
en-GB/bɔɪsɛnbɛɹiː/
en-US/ˈbɔɪzənˌbɛɹi/
cross between a European Raspberry (Rubus idaeus), a Common Blackberry (Rubus fruticosus), an American Dewberry (Rubus aboriginum) and a Loganberry (Rubus × loganobaccus)