This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
Damiana. (Not official.) - The leaves of several plants, principally Bigelovia veneta Gray and Turnera microphylla De Candolle, var., aphro-disiaca (nat. ord. Turneraceae).
Western North America.
The chief constituents of the last as given by Rantzer are - (1) A volatile oil, I per cent., amber-colored, having an aromatic odor, and a warm camphoraceous taste. (2) Tannic acid. (3) Two resins.
Dose, 1/2 to 1 oz.; 15. to 30. gm.
Damiana has enjoyed considerable reputation as a remedy for sexual atony. Some observers believe it to be only tonic. It is best administered as a fluid extract, in the dose of 1/2 fl. dr., 2. cc.
 
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