sakura or japanese cherry tree in the spring

flower blossom plant branch spring pink petal tree shrub leaf purple twig wildflower cherry sakura prunus speciosa oshima species serrulata 'kanzan' 'sekiyama' garden blossoms sugimura park hashimotoyachounomori tatebayashi japancherry japanese trees genus cerasus east asia china korea japan ornamental national hashimotoy achounomori season april characteristics cultivars europe merit gunma seattlecherry seattlea common