How does the myths of pyramus and thisbe explain the deep red color of the mulberrybush?

In the myth of Pyramus and Thisbe, the two lovers are separated by a wall and tragically misunderstand each other's fates. After Pyramus discovers Thisbe has died, he takes his own life, and his blood stains the white mulberry berries red. The story explains the deep red color of the mulberry bush as a symbol of their love and the tragedy that befell them, forever altering the colors of the fruit.