Nijisseiki (20th Century) Nashi (Asian Pear) (semi-dwarf) Syn. 20th Century. Japan, chance seedling found on a rubbish heap in 1898 by Mr Kakunosuke Matsudo at Ishii, Chiba, P. pyrifolia. Pollination Group:part self fertile, Conference, Josephine, Packham’s, Clapp’s Favourite, Chojuro, Kosui...