Ginko is a blood thinner.
Viagra slows the valve release of a Peni$ vein.
Josephus says that the Mandrake - which he calls Baaras - has but one virtue, that of expelling demons from sick persons, as the demons cannot bear either its smell or its presence. He even relates that it was certain death to touch this plant, except under certain circumstances which he details. (Wars of the Jews, book vii, cap. vi.)
Genesis 30:14-16
Not sure. But mandrake is a cousin to Belladonna. And most herbologists doubt it has any "sexual" enhancements. Mandrake in large amounts is also a hallucinate.
And the best aphrodisiac is a wife in lingerie.