| Family |
Pontederiaceae |
| Scientific name |
Monochoria korsakowii Regel & Maack |
| Synonyms |
Monochoria vaginalis (N. L. Burman) C. Presl ex Kunth var. korsakowii (Regel
& Maack) Solms-Laubach |
| Common name |
(Japanese common name) mizu-aoi (ミズアオイ, 水葵 [meaning: water hibiscus]) |
| (English common name) none |
| Distribution |
(Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Vietnam, Indonesia, Pakistan |
| Habitat |
Swamp, rice paddy, pond |
| Chromosomal number |
2n=52 |
| Description |
Leaves 4-15cm long, 4-15cm wide. Flowers blue 2.5-3cm across, flowering
in September to October. Water plants. Annual plants. |
| Reference |
Monochoria korsakowii Regel et Maack |
| Pyrazole compounds, processes for their production and herbicides containing them (US Patent 5998334/1999) |
| (Poly)ethereal ammonium salts of herbicides bearing acidic moieties and their use as herbicides (US Patent 6300323/2001) |
| Fused heterocycle compounds, process for their preparation, and herbicidal compositions containing them (US Patent 6294503/2001) |
| Processes for preparing 3-phenyl-2,4(1H, 3H)-pyrimidinediones (US Patent 6617282/2003) |
| Fused tricyclic compounds, process for their preparation, and herbicidal compositions containing them (US Patent 6770596/2004) |
| Herbicide compositions and weedkilling method using the same (US Patent 7144842/2006) |
| Note |
Rare species. |