Introduction of Damiana:Mexican damiana, old woman's broom.

Popular Herbs. ✵The article gives records of the herb Damiana, its English name, Latin name, common names, property and flavor, its botanical source one plant species, ①.Turnera diffusa Willd., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Damiana, its pharmacological actions, medicinal efficacy, and administration guide.

Damiana(old woman's broom).

Turnera diffusa Willd:picture English Name: Damiana.
 Latin Name: Turnera diffusa Willd., and possibly other Turnera species.
 Common Names: Mexican damiana, old woman's broom.
 Property and flavor: The herb has a strong aroma, tastes a slight bitterness.

 Brief introduction: Damiana consists of the aromatic, dried yellow-brown leaves of the subtropical Turnera diffusa shrub, a fruit-bearing plant native to Mexico and the southern United States. The dried branches are sometimes used medicinally as well.

 Botanical source: Common herbal classics defined the herb Damiana as the leaf and herb of the species (1).Turnera diffusa Willd. It is a plant species of the Turnera genus, the Turneraceae family. The dried leaf and herb are used medicinally. This commonly used species is introduced:

(1).Turnera diffusa Willd.

 Turnera diffusa Willd:flowering plant Botanical description: Turnera diffusa is a small shrub that grows up to 60 cm high, or even to 2 meters high. The leaves are 10~25 cm long and up to 6 cm wide. They are smooth and pale green on the upper surface and glabrous with a few scattered hairs on the ribs underneath. The leaves are ovate-lanceolate, short-petioled, and have 2 glands at the base. They have a few serrate teeth and a curved margin.

 The flowers are yellow, solitary, and axillary. The fruit is a small, globular, many-seeded capsule, which breaks up into 3 parts. It is aromatic and resinous.

 Ecological environment: Turnera diffusa is native to the Gulf of Mexico, Mexico, southern California, Texas of USA (the United States of America), Central America, northern Caribbean islands, and Namibia. In the above areas, there are both wild and artificially planted, it grows in hot and humid areas.

 Growth characteristics: Turnera diffusa enjoys locations that have full sun and dry, rocky soil. Damiana likes weakly acidic soil to weakly alkaline soil, between the pH (pH scale:acidity-basicity) of 6.6-8.5.

 Characters of herbs: Damiana leaf and Damiana herb is the leaf and herb of Turnera diffusa and its variations.

 Pharmacological actions: ①.anti-hyperglyucemic effect; ②. Anti-inflammatory; ③.anti-ulcer effect; ④.hormone regulation; etc.

 Studies in animals found the herb damiana has an anti-hyperglycemic effect, anti-inflammatory effect, anti-ulcer effect, and estrogen receptor binding activity, but it failed to increase libido in sexually healthy rats, indicating that it may be ineffective as a general aphrodisiac.

 Medicinal efficacy: Traditionally, Damiana was used by the early Mexican Indians as an aphrodisiac, sexual stimulant, and tonic. It was used in North America since the late 19th century as a sexual stimulant and relaxation, today it is recommended by herbalists as an aphrodisiac, mildly euphoric, potency enhancer, energy booster, anxiety reliever, and general tonic. In folk medicine, it was used for constipation, diabetes, cough, asthma, kidney inflammation, headache, and menstrual disorders. It is also used to flavor foods and beverages, including liqueurs. Its leaves are used as a substitute for tea and a spice for liqueur in Mexico.

 Administration of Damiana (old woman's broom): 
Reference: Administration Guide of Damiana (old woman's broom)
Herbal classic books: 400 mg capsules one or two, or 1 dropper full of tincture or concentrated drops, is taken daily.
 Contraindications, Precautions and Adverse Reactions: The FDA approves damiana for food use. There is no evidence that damiana has ever caused anyone significant harm. It has been used by various cultures for generations. But no long-term trials have been conducted to confirm that it is risk-free.

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