As you can see in the below picture, there's a branch with white-colored flowers, while the rest of the tree has pink flowers.

[![Picture](https://i.stack.imgur.com/xsAu5.jpg)](https://i.stack.imgur.com/xsAu5.jpg)

I googled a number of questions but it is a bit complicated to formulate in a search. Plus I have no background in botany or even biology.