The trunk is greenish-grey. Quick growing, but reaches no more than 6m from the soil. The trunk is grey. For each species, the form of the leaves depends on the cultivar. Mulberry trees are deciduous.
Polymorphism is very important - leaves are thin, bright and light green.
Leaves are thick, rough and dark green. Leaves are thin, green and cordate. Leaves are oval-elliptic, often not symmetrical, light green. Leaves are oval, often lanceolate, and deep green. The colour depends on the cultivar.