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|---|---|---|
| September 2006 at lowland marsh |
September 2006 at lowland marsh |
September 2006 at lowland marsh |
| Family | Pontederiaceae |
| Scientific name | Monochoria vaginalis (Burman f.) C. Presl ex Kunth |
| Synonyms | Monochoria vaginalis var. plantaginea (Roxburgh) Solms-Laubach; Pontederia vaginalis N. L. Burman; Boottia mairei H. Léveillé; Monochoria linearis (Hasskarl) Miquel; Monochoria ovata Kunth; Monochoria vaginalis var. pauciflora (Blume) Merrill; Pontederia linearis Hasskarl; Pontederia ovata Hooker & Arnott ; Pontederia pauciflora Blume; Pontederia plantaginea Roxburgh. |
| Common name | (Japanese common name) ko-nagi (コナギ, 小菜葱 [meaning: tiny nagi (nagi = Japanese old name of Monochoria korsakowii)]) |
| (English common name) heartshape false pickerelweed | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia, Korea, China, Philippines, Thailand, Vietnam, Cambodia, Laos, Malaysia, Myanmar, Indonesia, Australia, Nepal, Bhutan, India, Sri Lanka, Pakistan, Africa | |
| Habitat | Rice paddy, swamp |
| Chromosomal number | 2n=52 |
| Description | Leaves 10-20cm long, 3-7cm wide. Flowers blue 1.5-2cm across, flowering in September to October. Annual plants. |
| Reference | Monochoria vaginalis (Burm. f.) C. Presl ex Kunth |
| Monochoria vaginalis (N. L. Burman) C. Presl ex Kunth | |
| Herbicide for use in transplanted rice (US Patent 3955959/1976) | |
| Methods and compositions for the selective control of undesirable weed species in the presence of wet-land crops (US Patent 4488896/1984) | |
| Herbicidal composition (US Patent 6030925/2000) | |
| Herbicidal sulfonamides (US Patent 6060432/2000) | |
| Substituted pyrazole derivatives, production process thereof, and herbicide compositions containing the derivatives (US Patent 7192906/2007) |
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| September 2006 at lowland marsh |
September 2006 at lowland marsh |
September 2006 at lowland marsh |
