Prunus mume
In Japan, ornamental "Prunus mume" cultivars are classified into "yabai" (wild), "hibai" (red), and "bungo" (Bungo Province) types. The "bungo" trees are also grown for fruit and are hybrids between "Prunus mume" and apricot. The "hibai" trees have red heartwood and most of them have red flowers. The "yabai" trees are also used as grafting stock. Among yabai trees, Nankoume is very popular variety in Japan, and which fruits are mainly used for making Umeboshi.