(especially in Japan) a flowering cherry tree. A cherry blossom is a flower of many trees of genus Prunus. Japan has a wide variety of cherry blossoms (sakura); well over 200 cultivars can be found there. Sakura is the Japanese term for cherry blossom trees. Sakura is the Japanese term for cherry blossom – that most beautiful of Japanese flowers. Sakura (桜 in kanji or さくら in hiragana) is the Japanese word for cherry blossom trees and their blossoms – a very special flower which symbolizes the spring,.