damiana

Turnera diffusa, an American passifloraceous shrub used in making a traditional Mexican liqueur, and as an aphrodisiac.

A preparation made from this plant.

But most likely my judgement was distorted by my contempt for his acting the young buck [...] for ever waxing his moustaches and loading himself with medicaments supposed to replace the failing sap of youth, glycerophosphates, formates, nux vomica, yohimba, damiana.

In 1878, the firm's fluid extract of guaraná sold for $10 per pound, while[…]damiana (for the treatment of male sexual dysfunction) fetched $4.00; […].