small white flowers of spirea clustered together in umbrella-like corymbs

beautiful bloom blossom blossoming botany branch bud bush closeup clustered corymb corymbs cultivar deciduous flora florescence flower flowerbed flowers foliage garden germander green greenery hedge inflorescence leaf leafage like lush may meadowsweet nature ornamental outdoors park perennial petal pistil plant pollen season sepal shrub small spiraea spirea spray spring stamen together twig umbrella vanhouttei vegetation white yard