| Family |
Polygonaceae |
| Subfamily |
Polygonoideae |
| Scientific name |
Rumex japonicus Houttuyn |
| Synonyms |
Rumex cardiocarpus Pampanini; Rumex crispus L. subsp. japonicus (Houttuyn)
Kitamura; Rumex crispus var. japonicus (Houttuyn) Makino; Rumex hadroocarpus
K. H. Rechinger; Rumex japonicus Houttuyn var. yezoensis (Hara) Ohwi; Rumex
nikkoensis Makino; Rumex odontocarpus Sandor ex Borbás var. japonicus (Houttuyn)
Nakai; Rumex regelii F. Schmidt; Rumex yezoensis Hara |
| Common name |
(Japanese common name) gishigishi (ギシギシ, 羊蹄 [meaning of gishigishi is unknown]) |
| (English common name) none |
| Distribution |
(Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia (far east), Korea, China |
| Habitat |
Wet field, riverside |
| Chromosomal number |
2n=60 |
| Description |
Plants 60-100cm tall. Leaves 10-25cm long. Flowers green, flowering in
May to August. Perennial plants. |
| Reference |
Rumex japonicus Houttuyn |
| Method for the separation of chlorophyll (US Patent /1977) |
| Germicidal and acaricidal compositions (US Patent 4101670/1978) |
| Herbicide (US Patent 4105436/1978) |
| Germicidal herbicide for agriculture and horticulture (US Patent 4123254/1978) |
| N-Benzylhaloacetamide derivatives, and their production and use (US Patent 4288244/1981) |
| Herbicidal compositions and herbicidal processes (US Patent 4622060/1986) |
| 3-(substituted phenyl)pyrazole derivatives, salts thereof, and herbicides therefrom (US Patent 5032165/1991) |
| Antioxidant and an oxidation resistant polyunsaturated oil (US Patent 5166375/1992) |
| Cosmetic composition (US Patent 5658578/1997) |
| High-loaded ammonium glyphosate formulations (US Patent 5998332/1999) |
| External preparation for skin containing a low-molecular-weight betaine (US Patent 6008246/1999) |
| Oil-water mixed composition (US Patent 5919398/1999) |
| Fused-heterocycle dicarboxylic acid diamide derivatives or salts thereof, herbicide and usage thereof (US Patent 6444617/2002) |
| Weeding method with sodium hydrogen carbonate (US Patent 6589911/2003) |
