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Houttuynia cordata - Thunb.

Common Name Tsi, Chameleon, Rainbow Plant, Chameleon Plant
Family Saururaceae
USDA hardiness 6-11
Known Hazards None known
Habitats Shrubberies and damp places to 2400 metres in the Himalayas[51]. Often found as a weed in wet fields[187].
Range E. Asia - China, Japan, Himalayas.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Wet Soil Water Plants Full shade Semi-shade
Houttuynia cordata Tsi, Chameleon, Rainbow Plant, Chameleon Plant


http://commons.wikimedia.org/wiki/User:KENPEI
Houttuynia cordata Tsi, Chameleon, Rainbow Plant, Chameleon Plant
http://commons.wikimedia.org/wiki/User:KENPEI

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Summary

Bloom Color: White. Main Bloom Time: Early summer, Late summer, Mid summer. Form: Spreading or horizontal, Upright or erect, Variable spread.


Physical Characteristics

 icon of manicon of flower
Houttuynia cordata is a PERENNIAL growing to 0.6 m (2ft) by 1 m (3ft 3in) at a fast rate.
It is hardy to zone (UK) 5 and is not frost tender. It is in flower in June. 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 full shade (deep woodland) or semi-shade (light woodland). It prefers moist or wet soil and can grow in water.

Synonyms

Gymnotheca chinensis. Polypara cochinchinensis.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Shady Edge; Ground Cover; Pond; Bog Garden;

Edible Uses

Edible Parts: Fruit;  Leaves;  Root.
Edible Uses:

Teder young shoots and leaves - raw or cooked as a pot-herb[2, 61, 103, 183, 272]. The leaves and young shoots are harvested in the spring when about 8cm long[264]. Strongly aromatic according to one report[183] whilst others say that it is rather smelly and somewhat like rotten fish[105, 178]. Our experience is that the leaves have a delicious orange-like smell and make a marvellous flavouring in salads[K]. One report says that there are two distinct chemotypes of this species. Plants from Japan have an orange scent, whilst those from China have a smell resembling coriander leaves (Coriandrum sativum)[238]. Some people seem to really like this leaf, others are indifferent to it or strongly dislike it[K]. It also varies quite considerably according to the time of year. In the spring and summer it has a very acceptable flavour, but by autumn a distinct bitterness has crept in[K]. Root - cooked[177, 183]. Same comments on the smell as for the leaves[105]. Fruit[183]. No further details[K], but the fruit is a capsule that contains many small seeds[200].

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.

Antibacterial;  Antidote;  Antiinflammatory;  Antiphlogistic;  Antiviral;  Astringent;  Depurative;  Diuretic;  
Emmenagogue;  Febrifuge;  Hypoglycaemic;  Laxative;  Ophthalmic;  Women's complaints.

The whole plant is antibacterial, antiinflammatory, antimicrbial, antiphlogistic, antiviral, depurative, diuretic, emmenagogue, febrifuge, hypoglycaemic, laxative and ophthalmic[103, 116, 147, 174, 176, 218, 238, 240, 279]. A decoction is used internally in the treatment of many ailments including cancer, coughs, dysentery, enteritis and fever[218]. Its use is said to strengthen the immune system[176]. Externally, it is used in the treatment of snake bites and skin disorders[238]. The leaves and stems are harvested during the growing season and used fresh in decoctions[238]. The leaf juice is antidote and astringent[218]. A root extract is diuretic[218, 240]. The root is also said to be used in medicinal preparations for certain diseases of women[240, 243]. The rhizomes yield a sterol, resembling sitosterol, which stimulates the secretion of antibiotic substances from a gram-positive spore-forming bacillus[240]. An active substance, effective in the treatment of stomach ulcers, has been extracted from the plant[240].

Other Uses

A good ground cover plant[200]. Plants do not form a weed-suppressing cover[K]. A spreading plant, it should be spaced about 45cm apart each way[208].

Cultivation details

Landscape Uses:Border, Container, Foundation, Ground cover, Massing, Woodland garden. Requires a moist to wet soil or shallow water, partial shade and a sheltered position[1, 31, 56, 238]. Whilst it grows best in a bog garden, it will succeed in moist garden borders[233] and has also grown fairly well in a dry soil in Cornwall[K]. It succeeds in full shade[208]. Plants are hardy to about -15°c[187], the top growth is killed back by frost though the roots are much hardier. Even the roots, though, can be killed in severe winters[56]. A very ornamental plant, there are some named varieties[187]. 'Chameleon' has very attractively variegated leaves with the same flavour as the species[K]. The bruised leaves emit a strong citrus smell rather like orange peel[K]. Plants have a widely spreading root system and are very invasive, though they are easier to control in drier soils[200]. Creeps harmlessly between ferns[187]. Cultivated as a salad crop in Vietnam[103] and in W. China[187].. Plants seem to be immune to the predations of rabbits[233]. Plants growing in an area with a high rabbit population were not eaten by them although other plants growing nearby were attacked[K]. Special Features: Attractive foliage, Fragrant foliage, Not North American native, Invasive, Naturalizing, Wetlands plant, Inconspicuous flowers or blooms.

Propagation

Seed - sow spring in a greenhouse. Prick out the seedlings into individual pots as soon as they are large enough to handle and plant them out in the summer. Division in spring[31, 56]. Very quick and easy, it can be done successfully at almost any time in the growing season[K]. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

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

 

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Expert comment

Author

Thunb.

Botanical References

51200266

Links / References

For a list of references used on this page please go here

Readers comment

Ian Powell   Sun Jan 30 13:06:45 2005

bruised and crushed and inserted in nose for headaches, traditionaly....really. tends to like growing under some shade in moist areas.

Mike Vowell   Mon May 15 2006

One the advice of my wife, a Thai, I eat a small quantity of fresh leaves daily. This has completely cured my quite severe long term halitosis. The Thai variety definitely does not have the orange flavour, more fish like but the taste/smell does seem quite subjective. I find it not unpleasant whereas my wife can't stand it. The fresher the leaves the better tasting they are.

Alec Bauserman   Tue Aug 29 2006

My wife is from SW China (Guizhou province) where the roots are used in traditional cooking. Definitely an acquired taste!

Nikolaus Prachensky   Wed Jul 4 2007

Nikolaus Prachensky I have made an extract and have used it to treat herpes simplex topically and internally - seems to work very well, shorter outbreaks and accelerated healing of the wound

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