Morus macroura, also known as the king white mulberry, shahtoot mulberry, Tibetan mulberry, or long mulbery is a flowering plant species in the genus Morus found in Tibet, the Himalayas, and rain forests of Indochina. It is a medium sized tree, with a spreading canopy which grows with a weeping habit. Ripe fruit is white, pink or red, and is described as honey-sweet.