| Family |
Saururaceae |
| Scientific name |
Houttuynia cordata Thunberg |
| Synonyms |
Gymnotheca chinensis Decaisne; Polypara cochinchinensis Loureiro; Polypara
cordata (Thunberg) Kuntze |
| Common name |
(Japanese common name) dokudami (ドクダミ, 蕺草 [meaning: detoxicate weed]),
dokudame (ドクダメ, 毒溜 [meaning: reserving poison]) |
| (English common name) chameleon, chameleon plant |
| Distribution |
(Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Thailand, Indonesia, Myanmar, Bhutan,
Nepal, India |
| Habitat |
Forest, forest edge, wet roadside, wet garden |
| Chromosomal number |
2n=24, 96 |
| Description |
Plants 20-50cm tall. Leaves 4-8cm long, 3-6cm wide. Flowers 4 white involucres,
non petal, yellow inflorescences ca. 1-3cm long, 3 stamens, flowering in
June to July. Perennial plants. |
| Reference |
Houttuynia cordata Thunberg |
| Houttuynia cordata Thunb. |
| Method of deodorizing Houttuynia cordata Thunb (US Patent 4331765/1982) |
| Neolignans of Saururus cernuus L and analogues thereof (US Patent 4619943/1986) |
| Deodorant and filter using same, as well as method of producing the deodorant (US Patent 4898727/1990) |
| Detergent composition containing a quaternary ammonium cationic surfactant and a carboxylate anionic surfactant (US Patent 4919846/1990) |
| Method of producing odorless ripe juice of houttuynia cordata (US Patent 5013570/1991) |
| Deodorant and filter using same, as well as method of producing the deodorant (US Patent 5240699/1993) |
| Dyed textile products and a method of producing them (US Patent 5221289/1993) |
| Algin-containing food and beverage (US Patent 5324526/1994) |
| Bath additive composition comprising aluminum salt and carbonate or bicarbonate which yields a bath water of pH 8 to 9 (US Patent 5411731/1995) |
| Food composition containing antimicrobial plant distillate (US Patent 5525340/1996) |
| Crude drug-containing feed (US Patent 5882672/1999) |
| Pillow for an individual and the method for producing a pillow for an individual (US Patent 6151733/2000) |
| Skin color improver (US Patent 6197343/2001) |
| Essential oil composition (US Patent 6280751/2001) |
| Mixed fine powder for beverage containing young barley leaves, alfalfa and/or kale (US Patent 6416807/2002) |
| Herbal compositions for treating immunological disorders (US Patent 6383525/2002) |
| Botanical combinations for treating AIDS and immune-deficient patients to maintain good health and the process for preparing the same (US Patent 6485759/2002) |
| Cosmetic composition (US Patent 6348200/2002) |
| Cosmetics (US Patent 6497889/2002) |
| Herbal compositions and uses for the treatment of allergic reactions (US Patent 6814985/2004) |
| Percutaneous administration preparations (US Patent 6827944/2004) |
| Insulin secretion promoter (US Patent 6946451/2005) |
| Cosmetic composition comprising a phosphoric triester and a skin activating component (US Patent 6932975/2005) |
| Hair dye and hair-dyeing methods using the same (US Patent 6849096/2005) |
| Micropropagation and production of phytopharmaceutical plants (US Patent 7005298/2006) |
| Transgenic expression of a phytochrome a gene (US Patent 7271004/2007) |
| Anti-allergy composition comprising wood vinegar- or bamboo vinegar-distilled solution (US Patent 7214393/2007) |
| Composition for preventing and treating type I allergy (US Patent 7211567/2007) |
| Hair growth inhibitors and composition containing same (US Patent 7285294/2007) |
| Liver function protecting or ameliorating agent (US Patent 7332522/2008) |
