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| September 2006 at lawland swamp |
September 2006 at lawland swamp |
September 2006 at lawland swamp |
| Family | Lythraceae |
| Scientific name | Rotala indica (Willdenow) Koehne |
| Synonyms | Ameletia indica (Willdenow) Candolle; Ameletia uliginosa Miquel; Peplis indica Willdenow; Rotala densiflora (Roth) Koehne var. formosana Hayata; Rotala elatinomorpha Makino; Rotala indica (Willdenow) Koehne var. koreana Nakai; Rotala indica (Willdenow) Koehne var. uliginosa (Miquel) Koehne; Rotala koreana (Nakai) Mori; Rotala uliginosa (Miquel) Nakai |
| Common name | (Japanese common name) kikashi-gusa (キカシグサ, キカシ草 [meaning: kikashi weed (meaning of kikashi is unknown)]) |
| (English common name) Indian toothcup | |
| Distribution | (Japan) Hokkaido (southwest region), Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Taiwan, Philippines, Vietnam, Thailand, Laos, Cambodia, Malaysia, Indonesia, Myanmar, Nepal, Bhutan, India, Sri Lanka | |
| Habitat | Swamp, rice paddy |
| Chromosomal number | 2n=32 |
| Description | Plants creeping 10-15cm long, Leaves 5-10mm long, 3-5mm wide. Flowers red or pink 2mm, flowering in August to October. Annual plants. |
| Note | Rotala indica (Willdenow) Koehne |
| Rotala indica (Willd.) Koehne | |
| Herbicide for use in transplanted rice (US Patent 3955959/1976) | |
| Pyridyltriazinone compounds (US Patent 4033752/1977) | |
| Tert-Butyl-halophenols (US Patent 4668831/1987) | |
| Herbicidal tetrazolinones combined with other herbicides (US Patent 5635446/1997) | |
| Agent for preventing growth of weeds in rice fields (US Patent 6121196/2000) |
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| September 2006 at lawland swamp |
September 2006 at lawland swamp |
September 2006 at lawland swamp |
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| September 2006 at lawland swamp |
September 2006 at lawland swamp |
September 2006 at lawland swamp |
