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Leonurus japonicus - Houtt.

Common Name
Family Lamiaceae or Labiatae
USDA hardiness Coming soon
Known Hazards None known
Habitats Waste places, hillsides, roadsides and gardens[147]. Sunny areas to elevations of 3,400 metres all over China[266].
Range E. Asia - China.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (3 of 5)
Care
Moist Soil Semi-shade Full sun
Leonurus japonicus


http://commons.wikimedia.org/wiki/File:Leonurus_japonicus_Blanco2.259-cropped.jpg
Leonurus japonicus
http://commons.wikimedia.org/wiki/User:Tau%CA%BBolunga

 

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Summary


Physical Characteristics

 icon of manicon of flower
Leonurus japonicus is a ANNUAL/BIENNIAL growing to 0.9 m (3ft). It is in flower from July to September, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in nutritionally poor soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Synonyms

Habitats

 Cultivated Beds;

Edible Uses

None known

Medicinal Uses



Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Alterative;  Antibacterial;  Antifungal;  Aphrodisiac;  Birthing aid;  Contraceptive;  Depurative;  Diuretic;  
Emmenagogue;  Hypotensive;  Ophthalmic;  Poultice;  Vasodilator;  Vulnerary;  Women's complaints.


This plant (and other closely related species) is commonly used in Chinese herbalism, where it is considered to be one of the 50 fundamental herbs[218]. The leaves are diuretic and are placed in bath water to relieve itching and painful shingles[218]. The dried flowers are emmenagogue and are also used in pregnancy and to help expel the placenta after giving birth[218]. The juice of the stems is vulnerary[218]. The fruit is antibacterial, diuretic, emmenagogue, hypotensive, ophthalmic and vasodilator[176, 218]. It is used in the treatment of abnormal menstruation, nebula and conjunctivitis[176]. The seed is aphrodisiac, diuretic, emmenagogue, ophthalmic and is also used in the treatment of various women's complaints[147, 218]. The plant was ranked number one in a survey of 250 potential antifertility plants in China[218]. The seed is used in the treatment of conjunctivitis and night blindness[147]. The aerial parts of the plant are alterative, antibacterial, antifungal, depurative, diuretic, emmenagogue, hypotensive, vasodilator and vulnerary[176, 218]. The whole plant is decocted, either on its own or with other herbs, as an ophthalmic[218]. It is used in the treatment of abnormal menstruation, postpartum abdominal pain, tumours, uterine bleeding, oedema, eczema and purulent abscess[176]. It is also used externally as a poultice for bruises[218]. Stimulates blood circulation[147]. (The part of the plant used is not made clear.)

Other Uses

None known

Cultivation details

We have almost no information on this species and do not know if it will be hardy in this country. The following notes are based on the general needs of the genus. Succeeds in most soils[200]. Prefers a poor soil[108]. There is some doubt over the correct name for this species, a recent work suggested that it should be L. artemisia (Lour.)S.Y.Hu. - at least in as much as it refers to the medicinal plant in China[218].

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Propagation

Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Leonurus cardiacaMotherwort, Common motherwort23
Leonurus macranthus 11
Leonurus sibiricusChinese Motherwort, Honeyweed23

 

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Houtt.

Botanical References

266

Links / References

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