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Cuscuta japonica - Choisy.

Common Name Japanese Dodder
Family Convolvulaceae
USDA hardiness 5-9
Known Hazards None known
Habitats Parasitic on shrub branches[147] in lowland and low mountains all over Japan[58].
Range E. Asia - China, Japan, Korea.
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential Yes
Medicinal Rating    (2 of 5)
Care
Fully Hardy Moist Soil Semi-shade Full sun
Cuscuta japonica Japanese Dodder


Cuscuta japonica Japanese Dodder

 

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Summary


Physical Characteristics

 icon of manicon of flower
Cuscuta japonica is a ANNUAL CLIMBER growing to 1 m (3ft 3in).
It is hardy to zone (UK) 6. It is in flower from August to September. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

C. systyla.

Habitats

Woodland Garden Dappled Shade;

Edible Uses

Edible Parts: Leaves
Edible Uses:

Young growth, boiled and seasoned[177].

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.
Aphrodisiac  Demulcent  Diaphoretic  Enuresis  Hepatic  Ophthalmic  Tonic

A sweet, pungent herb that acts mainly as a liver and kidney stimulant[238], the seed of Japanese dodder is aphrodisiac, demulcent, diaphoretic, enuresis, hepatic and tonic[147, 176, 178, 218, 238]. A decoction of the seed is used to treat a variety of complaints including diarrhoea, vaginal discharge, enuresis, backache, constipation and impotence[218]. The young shoots are used to treat sore eyes[218].

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Other Uses

None known

Cultivation details

This is a parasitic species that is devoid of leaves, roots or chlorophyll and so is totally dependant upon its host[238]. It must be grown next to the host plant, which it penetrates with suckers in order to obtain nutriment[238]. Plants are hardy to at least -15°c[238]. A climbing plant, supporting itself by twining around other plants[238].

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Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed - best sown as soon as it is ripe in the autumn, by lodging it among the stems of a host plant[238].

Other Names

If available other names are mentioned here

Japanese dodder, China: jin deng teng; tu si. Japan: nenashikazura. USA: giant Asian dodder.

Found In

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

Asia, China, Indochina, Japan, Korea, Russia, SE Asia, Taiwan, Vietnam, USA.

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.

A significant weed of fruit and ornamental trees in Japan, China and neighbouring countries. It has been listed by the State of California and Texas as a noxious weed.[

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed.

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Cuscuta chinensisChinese Dodder03
Cuscuta epithymumLesser Dodder02
Cuscuta europaeaGreater dodder02
Cuscuta megalocarpaBigfruit Dodder10
Cuscuta reflexaDodder, Giant dodder02
Cuscuta umbellataFlatglobe dodder10

 

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Expert comment

Author

Choisy.

Botanical References

58266

Links / References

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