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Weeds of Container Nurseries in the United States
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Mulberry (Morus alba, M. rubra)
Family: Moraceae
 
Mulberry forms small trees growing to 45 feet tall at maturity (more commonly to about 25 feet) but weedy as a sapling.  Leaves are alternate and simple, with toothed margins.  Leaves are both lobed and unlobed.  Plants exude a milky sap from young twigs when broken.  Male and female flowers form on separate plants (dioecious).  Fruit are berry-like and  seed are spread by birds.
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