Heavenly bamboo is an Asian in the barberry family, with slender, bamboo-like stems and red fruit that may remain through winter. Heavenly bamboo is widely planted in the United States and has escaped into woodlands and become invasive in parts of the Southeast. Its fruit can be toxic when eaten in quantity.
Both can hold red fruit in winter. Yaupon holly has simple leaves attached one by one to twigs, while heavenly bamboo has large compound leaves divided into many leaflets.
Why they get mixed upBoth are evergreen landscape shrubs with clusters of red fruit.