Cherry blossom facts with a Japanese bent

17 Facts You Probably Don't Know About Sakura, Japan's Nationally Beloved Flower​

 

Multiple statements there providing a basis for comment. For instance, it says the botanical name for the Somei cherry is Cerasus x yedoensis. However, the specific name x yedoensis embraces any and all cherries of the involved hybrid parentage, with the Somei cherry being a particular kind. And needing therefore its own designation beyond just x yedoensis. As was done here:

Cherry Cultivars - Vancouver Cherry Blossom Festival Vancouver Cherry Blossom Festival (vcbf.ca)

Focusing just on one additional point there is simply no way any cherry tree anywhere is thousands of years old. Japanese accounts making such claims for various big and/or old looking flowering cherry trees also tend not to provide supporting data, may sometimes be translated as stating the ages given are estimated.