Avocado

The shape of the Avocado (again invoking the Doctrine of Signatures by different names in different cultures) and its silken, buttery texture have made it an aphrodisiac to many people for centuries. The Aztecs called it "ahuacatl" (meaning "testicle"), and considered it such a powerful sexual force that maidens were forbidden to leave their houses during the avocado harvest.
Its shape, whether whole or in cross-section, has also been compared to womanly forms.
What does science say about it? Not much, except that the fruit is intensely fatty. A medical boon is that the fat from an avocado, while murder on the waistline, is of the sort that lowers cholesterol.