Turnera diffusa, aphrodisiaca, Damiana.

Botanical name: 
Please read the introduction to Boericke's tinctures.

Said to be of use in sexual neurasthenia; impotency. Sexual debility from nervous prostration. Incontinence of old people. Chronic prostatic discharge. Renal and cystic catarrh; frigidity of females. Aids the establishment of normal menstrual flow in young girls.
Dose.--Tincture and fluid extract-ten-to forty-drops doses.

Boericke's Materia Medica, 1901, was written by William Boericke. Excerpt: The Tinctures.