Kathy's Peerless Pear Pie

About 6 tablespoons all-purpose flour

2 teaspoons ground cinnamon

1/2 teaspoon ground nutmeg

1/2 teaspoon ground allspice

6 cups thinly sliced peeled firm-ripe Asian pear s (about 3 lbs.)

2 tablespoons lemon juice 9-inch pie pastry for a double-crust pie (see notes)

5 tablespoons butter or margarine

3/4 cup firmly packed brown sugar

1/3 cup honey

1/2 cup coarsely chopped pecan s