White flowers on branch

I've found this branch of white flowers, it was so pretty that I couldn't resist buying it.  I don't know the name of this but it looks like flowers of strawberry.

「枝つきの白い花」なんだかものすごく可愛らしい枝ものを見つけた。いちごの花のようだが、なんの花なのかよくわからない。赤くて小さい野バラと合わせて生けてみた。