For Apples these are known and sold as 'family trees'. Here's one with 250 varieties of apple. https://www.bbc.com/news/av/science-environment-24348394/man-gro

For Apples these are known and sold as 'family trees'. Here's one with 250 varieties of apple. https://www.bbc.com/news/av/science-environment-24348394/man-grows-tree-with-250-varieties-of-apple https://www.bbc.com/news/av/science-environment-24348394/man...