Preheat oven to 350 degrees F.
In a large saucepan, slowly boil the syrup, star anise, cloves, orange and cinnamon stick. Simmer the mixture for 5 minutes. Strain the mixture into the masa harina, stir to incorporate and discard the strained spices and fruit.
Thaw a package of banana leaves by placing the still sealed leaves in a shallow pan of hot water, until thawed. Open package and rinse leaves in cool water then cut into 8-inch pieces. Assemble the tamales by placing 4 ounces of the mixture in the center of each banana leaf. And fold in sides to create a package. Place into the oven and bake for 20 minutes.