Is a pumpkin an aphrodisiac?

yes in fact it is

Pumpkin pie filling can be made with canned pumpkin or pumpkin puree from real pumpkins. It is mixed with milk, sugar and spices to make a tasty filling.

Yes, pumpkin pie contains a large amount of pumpkin.

Yes, its just very rare and unlikely

The meat. The pulp and seeds are removed, and the meat is cooked until it can be removed from the rind. Then it is pureed, and can be used in many things, mostly notably pie.